﻿<?xml version="1.0" encoding="utf-8"?>
<Return xmlns="http://www.irs.gov/efile" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" returnVersion="2023v5.1" xsi:schemaLocation="http://www.irs.gov/efile">
  <ReturnHeader binaryAttachmentCnt="0">
    <ReturnTs>2024-11-11T12:32:53-08:00</ReturnTs>
    <TaxPeriodEndDt>2023-12-31</TaxPeriodEndDt>
    <PreparerFirmGrp>
      <PreparerFirmEIN>760589675</PreparerFirmEIN>
      <PreparerFirmName>
        <BusinessNameLine1Txt>Rosenthal &amp; Co PC</BusinessNameLine1Txt>
      </PreparerFirmName>
      <PreparerUSAddress>
        <AddressLine1Txt>3900 Essex Lane Suite 1120</AddressLine1Txt>
        <CityNm>Houston</CityNm>
        <StateAbbreviationCd>TX</StateAbbreviationCd>
        <ZIPCd>77027</ZIPCd>
      </PreparerUSAddress>
    </PreparerFirmGrp>
    <ReturnTypeCd>990PF</ReturnTypeCd>
    <TaxPeriodBeginDt>2023-01-01</TaxPeriodBeginDt>
    <Filer>
      <EIN>743015534</EIN>
      <BusinessName>
        <BusinessNameLine1Txt>MARY RODES GIBSON HEMOSTASIS-</BusinessNameLine1Txt>
        <BusinessNameLine2Txt>THROMBOSIS FOUNDATION</BusinessNameLine2Txt>
      </BusinessName>
      <BusinessNameControlTxt>MARY</BusinessNameControlTxt>
      <PhoneNum>9798462591</PhoneNum>
      <USAddress>
        <AddressLine1Txt>1707 BROADMOOR 103</AddressLine1Txt>
        <CityNm>BRYAN</CityNm>
        <StateAbbreviationCd>TX</StateAbbreviationCd>
        <ZIPCd>77802</ZIPCd>
      </USAddress>
    </Filer>
    <BusinessOfficerGrp>
      <PersonNm>LARRY G HOLT</PersonNm>
      <PersonTitleTxt>Chairman</PersonTitleTxt>
      <SignatureDt>2024-11-11</SignatureDt>
      <DiscussWithPaidPreparerInd>true</DiscussWithPaidPreparerInd>
    </BusinessOfficerGrp>
    <IRSResponsiblePrtyInfoCurrInd>true</IRSResponsiblePrtyInfoCurrInd>
    <PreparerPersonGrp>
      <PreparerPersonNm>LOUISE S ROSENTHALCPA</PreparerPersonNm>
      <PTIN>P00088243</PTIN>
      <PhoneNum>7136550163</PhoneNum>
    </PreparerPersonGrp>
    <TaxYr>2023</TaxYr>
    <BuildTS>2024-10-15 13:58:12Z</BuildTS>
  </ReturnHeader>
  <ReturnData documentCnt="8">
    <IRS990PF documentId="IRS990PF" referenceDocumentId="GeneralExplanation BinaryAttachment.1" softwareId="23017517" softwareVersionNum="2023v5.1">
      <Organization501c3ExemptPFInd>X</Organization501c3ExemptPFInd>
      <FMVAssetsEOYAmt>9902021</FMVAssetsEOYAmt>
      <MethodOfAccountingCashInd>X</MethodOfAccountingCashInd>
      <AnalysisOfRevenueAndExpenses>
        <ScheduleBNotRequiredInd>X</ScheduleBNotRequiredInd>
        <InterestOnSavRevAndExpnssAmt>45730</InterestOnSavRevAndExpnssAmt>
        <InterestOnSavNetInvstIncmAmt>45730</InterestOnSavNetInvstIncmAmt>
        <DividendsRevAndExpnssAmt>162601</DividendsRevAndExpnssAmt>
        <DividendsNetInvstIncmAmt>162601</DividendsNetInvstIncmAmt>
        <NetGainSaleAstRevAndExpnssAmt>171049</NetGainSaleAstRevAndExpnssAmt>
        <GrossSalesPriceAmt>947644</GrossSalesPriceAmt>
        <CapGainNetIncmNetInvstIncmAmt>171049</CapGainNetIncmNetInvstIncmAmt>
        <OtherIncomeRevAndExpnssAmt referenceDocumentId="OtherIncomeSchedule2">37256</OtherIncomeRevAndExpnssAmt>
        <OtherIncomeNetInvstIncmAmt>31229</OtherIncomeNetInvstIncmAmt>
        <TotalRevAndExpnssAmt>416636</TotalRevAndExpnssAmt>
        <TotalNetInvstIncmAmt>410609</TotalNetInvstIncmAmt>
        <CompOfcrDirTrstRevAndExpnssAmt>18000</CompOfcrDirTrstRevAndExpnssAmt>
        <CompOfcrDirTrstNetInvstIncmAmt>10800</CompOfcrDirTrstNetInvstIncmAmt>
        <CompOfcrDirTrstDsbrsChrtblAmt>7200</CompOfcrDirTrstDsbrsChrtblAmt>
        <LegalFeesRevAndExpnssAmt referenceDocumentId="LegalFeesSchedule">20960</LegalFeesRevAndExpnssAmt>
        <LegalFeesNetInvstIncmAmt>12576</LegalFeesNetInvstIncmAmt>
        <LegalFeesDsbrsChrtblAmt>8384</LegalFeesDsbrsChrtblAmt>
        <AccountingFeesRevAndExpnssAmt referenceDocumentId="AccountingFeesSchedule">11950</AccountingFeesRevAndExpnssAmt>
        <AccountingFeesNetInvstIncmAmt>9560</AccountingFeesNetInvstIncmAmt>
        <AccountingFeesChrtblPrpsAmt>2390</AccountingFeesChrtblPrpsAmt>
        <InterestRevAndExpnssAmt>6595</InterestRevAndExpnssAmt>
        <InterestNetInvstIncmAmt>6595</InterestNetInvstIncmAmt>
        <TaxesRevAndExpnssAmt referenceDocumentId="TaxesSchedule">10229</TaxesRevAndExpnssAmt>
        <TaxesNetInvstIncmAmt>4418</TaxesNetInvstIncmAmt>
        <OtherExpensesRevAndExpnssAmt referenceDocumentId="OtherExpensesSchedule AmortizationSchedule">61061</OtherExpensesRevAndExpnssAmt>
        <OtherExpensesNetInvstIncmAmt>6131</OtherExpensesNetInvstIncmAmt>
        <OtherExpensesDsbrsChrtblAmt>6131</OtherExpensesDsbrsChrtblAmt>
        <TotOprExpensesRevAndExpnssAmt>128795</TotOprExpensesRevAndExpnssAmt>
        <TotOprExpensesNetInvstIncmAmt>50080</TotOprExpensesNetInvstIncmAmt>
        <TotOprExpensesDsbrsChrtblAmt>24105</TotOprExpensesDsbrsChrtblAmt>
        <ContriPaidRevAndExpnssAmt>500000</ContriPaidRevAndExpnssAmt>
        <ContriPaidDsbrsChrtblAmt>500000</ContriPaidDsbrsChrtblAmt>
        <TotalExpensesRevAndExpnssAmt>628795</TotalExpensesRevAndExpnssAmt>
        <TotalExpensesNetInvstIncmAmt>50080</TotalExpensesNetInvstIncmAmt>
        <TotalExpensesDsbrsChrtblAmt>524105</TotalExpensesDsbrsChrtblAmt>
        <ExcessRevenueOverExpensesAmt>-212159</ExcessRevenueOverExpensesAmt>
        <NetInvestmentIncomeAmt>360529</NetInvestmentIncomeAmt>
      </AnalysisOfRevenueAndExpenses>
      <Form990PFBalanceSheetsGrp>
        <SavAndTempCashInvstBOYAmt>299904</SavAndTempCashInvstBOYAmt>
        <SavAndTempCashInvstEOYAmt>150922</SavAndTempCashInvstEOYAmt>
        <SavAndTempCashInvstEOYFMVAmt>150922</SavAndTempCashInvstEOYFMVAmt>
        <InvstLandCostOrOtherBasisAmt>555393</InvstLandCostOrOtherBasisAmt>
        <LandBldgInvestmentsBOYAmt>536833</LandBldgInvestmentsBOYAmt>
        <LandBldgInvestmentsEOYAmt referenceDocumentId="InvestmentsLandSchedule2">555393</LandBldgInvestmentsEOYAmt>
        <LandBldgInvestmentsEOYFMVAmt>2515927</LandBldgInvestmentsEOYFMVAmt>
        <OtherInvestmentsBOYAmt>6056104</OtherInvestmentsBOYAmt>
        <OtherInvestmentsEOYAmt>5975045</OtherInvestmentsEOYAmt>
        <OtherInvestmentsEOYFMVAmt>7198714</OtherInvestmentsEOYFMVAmt>
        <OtherAssetsBOYAmt referenceDocumentId="OtherAssetsSchedule">37136</OtherAssetsBOYAmt>
        <OtherAssetsEOYAmt referenceDocumentId="OtherAssetsSchedule">36458</OtherAssetsEOYAmt>
        <OtherAssetsEOYFMVAmt referenceDocumentId="OtherAssetsSchedule">36458</OtherAssetsEOYFMVAmt>
        <TotalAssetsBOYAmt>6929977</TotalAssetsBOYAmt>
        <TotalAssetsEOYAmt>6717818</TotalAssetsEOYAmt>
        <TotalAssetsEOYFMVAmt>9902021</TotalAssetsEOYFMVAmt>
        <TotalLiabilitiesEOYAmt>0</TotalLiabilitiesEOYAmt>
        <OrgDoesNotFollowFASB117Ind>X</OrgDoesNotFollowFASB117Ind>
        <CapitalStockBOYAmt>6929977</CapitalStockBOYAmt>
        <CapitalStockEOYAmt>6717818</CapitalStockEOYAmt>
        <TotNetAstOrFundBalancesBOYAmt>6929977</TotNetAstOrFundBalancesBOYAmt>
        <TotNetAstOrFundBalancesEOYAmt>6717818</TotNetAstOrFundBalancesEOYAmt>
        <TotalLiabilitiesNetAstBOYAmt>6929977</TotalLiabilitiesNetAstBOYAmt>
        <TotalLiabilitiesNetAstEOYAmt>6717818</TotalLiabilitiesNetAstEOYAmt>
      </Form990PFBalanceSheetsGrp>
      <ChgInNetAssetsFundBalancesGrp>
        <TotNetAstOrFundBalancesBOYAmt>6929977</TotNetAstOrFundBalancesBOYAmt>
        <ExcessRevenueOverExpensesAmt>-212159</ExcessRevenueOverExpensesAmt>
        <SubtotalAmt>6717818</SubtotalAmt>
        <TotNetAstOrFundBalancesEOYAmt>6717818</TotNetAstOrFundBalancesEOYAmt>
      </ChgInNetAssetsFundBalancesGrp>
      <CapGainsLossTxInvstIncmDetail>
        <CapGainsLossTxInvstIncmGrp>
          <PropertyDesc>PUBLICLY TRADED SECURITIES</PropertyDesc>
          <HowAcquiredCd>P</HowAcquiredCd>
          <AcquiredDt>2022-01-01</AcquiredDt>
          <SoldDt>2023-12-31</SoldDt>
          <GrossSalesPriceAmt>914850</GrossSalesPriceAmt>
          <CostOrOtherBasisAmt>770602</CostOrOtherBasisAmt>
          <GainOrLossAmt>144248</GainOrLossAmt>
          <GainsMinusExcessOrLossesAmt>144248</GainsMinusExcessOrLossesAmt>
        </CapGainsLossTxInvstIncmGrp>
        <CapGainsLossTxInvstIncmGrp>
          <PropertyDesc>CAPITAL GAIN DISTRIBUTIONS - SCHWAB</PropertyDesc>
          <HowAcquiredCd>P</HowAcquiredCd>
          <AcquiredDt>2022-01-01</AcquiredDt>
          <SoldDt>2023-12-31</SoldDt>
          <GrossSalesPriceAmt>8192</GrossSalesPriceAmt>
          <GainOrLossAmt>8192</GainOrLossAmt>
          <GainsMinusExcessOrLossesAmt>8192</GainsMinusExcessOrLossesAmt>
        </CapGainsLossTxInvstIncmGrp>
        <CapGainsLossTxInvstIncmGrp>
          <PropertyDesc>SHORT TERM CAPITAL GAIN-PRODIGY ABS RTN K-1</PropertyDesc>
          <HowAcquiredCd>P</HowAcquiredCd>
          <AcquiredDt>2023-01-01</AcquiredDt>
          <SoldDt>2023-12-31</SoldDt>
          <GrossSalesPriceAmt>18916</GrossSalesPriceAmt>
          <GainOrLossAmt>18916</GainOrLossAmt>
          <GainsMinusExcessOrLossesAmt>18916</GainsMinusExcessOrLossesAmt>
        </CapGainsLossTxInvstIncmGrp>
        <CapGainsLossTxInvstIncmGrp>
          <PropertyDesc>LONG TERM CAPITAL GAIN-PRODIGY ABS RTN K-1</PropertyDesc>
          <HowAcquiredCd>P</HowAcquiredCd>
          <AcquiredDt>2022-01-01</AcquiredDt>
          <SoldDt>2023-12-31</SoldDt>
          <GrossSalesPriceAmt>3865</GrossSalesPriceAmt>
          <GainOrLossAmt>3865</GainOrLossAmt>
          <GainsMinusExcessOrLossesAmt>3865</GainsMinusExcessOrLossesAmt>
        </CapGainsLossTxInvstIncmGrp>
        <CapGainsLossTxInvstIncmGrp>
          <PropertyDesc>1231 GAIN PRODIGY ABS RTN K-1</PropertyDesc>
          <HowAcquiredCd>P</HowAcquiredCd>
          <AcquiredDt>2022-01-01</AcquiredDt>
          <SoldDt>2023-12-31</SoldDt>
          <GrossSalesPriceAmt>1821</GrossSalesPriceAmt>
          <GainOrLossAmt>1821</GainOrLossAmt>
          <GainsMinusExcessOrLossesAmt>1821</GainsMinusExcessOrLossesAmt>
        </CapGainsLossTxInvstIncmGrp>
        <CapGainsLossTxInvstIncmGrp>
          <PropertyDesc>1256 GAIN PRODIGY ABS RTN K-1</PropertyDesc>
          <HowAcquiredCd>P</HowAcquiredCd>
          <AcquiredDt>2022-01-01</AcquiredDt>
          <SoldDt>2023-12-31</SoldDt>
          <CostOrOtherBasisAmt>5993</CostOrOtherBasisAmt>
          <GainOrLossAmt>-5993</GainOrLossAmt>
          <GainsMinusExcessOrLossesAmt>-5993</GainsMinusExcessOrLossesAmt>
        </CapGainsLossTxInvstIncmGrp>
        <CapitalGainNetIncomeAmt>171049</CapitalGainNetIncomeAmt>
      </CapGainsLossTxInvstIncmDetail>
      <ExciseTaxBasedOnInvstIncmGrp>
        <InvestmentIncomeExciseTaxAmt>5011</InvestmentIncomeExciseTaxAmt>
        <SubtotalAmt>5011</SubtotalAmt>
        <TaxBasedOnInvestmentIncomeAmt>5011</TaxBasedOnInvestmentIncomeAmt>
        <EstimatedPlusOvpmtIncmTxAmt>5710</EstimatedPlusOvpmtIncmTxAmt>
        <ExtsnRequestIncomeTaxPaidAmt>3250</ExtsnRequestIncomeTaxPaidAmt>
        <TotalPaymentsAndCreditsAmt>8960</TotalPaymentsAndCreditsAmt>
        <OverpaymentAmt>3949</OverpaymentAmt>
        <AppliedToESTaxAmt>3949</AppliedToESTaxAmt>
      </ExciseTaxBasedOnInvstIncmGrp>
      <StatementsRegardingActyGrp>
        <LegislativePoliticalActyInd>false</LegislativePoliticalActyInd>
        <MoreThan100SpentInd>false</MoreThan100SpentInd>
        <Form1120POLFiledInd>false</Form1120POLFiledInd>
        <ActivitiesNotPreviouslyRptInd>false</ActivitiesNotPreviouslyRptInd>
        <ChangesToArticlesOrBylawsInd>false</ChangesToArticlesOrBylawsInd>
        <UnrelatedBusIncmOverLimitInd>true</UnrelatedBusIncmOverLimitInd>
        <Form990TFiledInd>true</Form990TFiledInd>
        <OrganizationDissolvedEtcInd>false</OrganizationDissolvedEtcInd>
        <Section508eRqrSatisfiedInd>true</Section508eRqrSatisfiedInd>
        <AtLeast5000InAssetsInd>true</AtLeast5000InAssetsInd>
        <OrgReportOrRegisterStateCd>TX</OrgReportOrRegisterStateCd>
        <Form990PFFiledWithAttyGenInd>true</Form990PFFiledWithAttyGenInd>
        <PrivateOperatingFoundationInd>false</PrivateOperatingFoundationInd>
        <NewSubstantialContributorsInd>false</NewSubstantialContributorsInd>
        <OwnControlledEntityInd>false</OwnControlledEntityInd>
        <DonorAdvisedFundInd>false</DonorAdvisedFundInd>
        <ComplyWithPublicInspRqrInd>true</ComplyWithPublicInspRqrInd>
        <WebsiteAddressTxt>N/A</WebsiteAddressTxt>
        <PersonsWithBooksName>
          <BusinessNameLine1Txt>LARRY G HOLT CHAIRMAN</BusinessNameLine1Txt>
        </PersonsWithBooksName>
        <PhoneNum>9798462591</PhoneNum>
        <LocationOfBooksUSAddress>
          <AddressLine1Txt>1707 BROADMOOR SUITE 103</AddressLine1Txt>
          <CityNm>BRYAN</CityNm>
          <StateAbbreviationCd>TX</StateAbbreviationCd>
          <ZIPCd>778025219</ZIPCd>
        </LocationOfBooksUSAddress>
        <ForeignAccountsQuestionInd>false</ForeignAccountsQuestionInd>
      </StatementsRegardingActyGrp>
      <StatementsRegardingActy4720Grp>
        <SaleOrExchDisqualifiedPrsnInd>false</SaleOrExchDisqualifiedPrsnInd>
        <BrrwOrLendDisqualifiedPrsnInd>false</BrrwOrLendDisqualifiedPrsnInd>
        <FurnGoodsDisqualifiedPrsnInd>false</FurnGoodsDisqualifiedPrsnInd>
        <PayCompDisqualifiedPrsnInd>false</PayCompDisqualifiedPrsnInd>
        <TransferAstDisqualifiedPrsnInd>false</TransferAstDisqualifiedPrsnInd>
        <PaymentToGovernmentOfficialInd>false</PaymentToGovernmentOfficialInd>
        <ActsFailToQlfyAsExceptionsInd>false</ActsFailToQlfyAsExceptionsInd>
        <UncorrectedPriorActsInd>false</UncorrectedPriorActsInd>
        <UndistributedIncomePYInd>false</UndistributedIncomePYInd>
        <BusinessHoldingsInd>false</BusinessHoldingsInd>
        <JeopardyInvestmentsInd>false</JeopardyInvestmentsInd>
        <UncorrectedPYJeopardyInvstInd>false</UncorrectedPYJeopardyInvstInd>
        <InfluenceLegislationInd>false</InfluenceLegislationInd>
        <InfluenceElectionInd>false</InfluenceElectionInd>
        <GrantsToIndividualsInd>false</GrantsToIndividualsInd>
        <GrantsToOrganizationsInd>false</GrantsToOrganizationsInd>
        <NoncharitablePurposeInd>false</NoncharitablePurposeInd>
        <RcvFndsToPayPrsnlBnftCntrctInd>false</RcvFndsToPayPrsnlBnftCntrctInd>
        <PayPremiumsPrsnlBnftCntrctInd>false</PayPremiumsPrsnlBnftCntrctInd>
        <ProhibitedTaxShelterTransInd>false</ProhibitedTaxShelterTransInd>
        <SubjToTaxRmnrtnExPrchtPymtInd>false</SubjToTaxRmnrtnExPrchtPymtInd>
      </StatementsRegardingActy4720Grp>
      <OfficerDirTrstKeyEmplInfoGrp>
        <OfficerDirTrstKeyEmplGrp>
          <PersonNm>LARRY G HOLT</PersonNm>
          <USAddress>
            <AddressLine1Txt>1707 BROADMOOR SUITE 103</AddressLine1Txt>
            <CityNm>BRYAN</CityNm>
            <StateAbbreviationCd>TX</StateAbbreviationCd>
            <ZIPCd>778025219</ZIPCd>
          </USAddress>
          <TitleTxt>Chairman</TitleTxt>
          <AverageHrsPerWkDevotedToPosRt>1.00</AverageHrsPerWkDevotedToPosRt>
          <CompensationAmt>0</CompensationAmt>
        </OfficerDirTrstKeyEmplGrp>
        <OfficerDirTrstKeyEmplGrp>
          <PersonNm>WILLIAM PRICE</PersonNm>
          <USAddress>
            <AddressLine1Txt>1707 BROADMOOR SUITE 103</AddressLine1Txt>
            <CityNm>BRYAN</CityNm>
            <StateAbbreviationCd>TX</StateAbbreviationCd>
            <ZIPCd>778025219</ZIPCd>
          </USAddress>
          <TitleTxt>Trustee</TitleTxt>
          <AverageHrsPerWkDevotedToPosRt>1.00</AverageHrsPerWkDevotedToPosRt>
          <CompensationAmt>9000</CompensationAmt>
        </OfficerDirTrstKeyEmplGrp>
        <OfficerDirTrstKeyEmplGrp>
          <PersonNm>JEFF HARRIS</PersonNm>
          <USAddress>
            <AddressLine1Txt>1707 BROADMOOR SUITE 103</AddressLine1Txt>
            <CityNm>BRYAN</CityNm>
            <StateAbbreviationCd>TX</StateAbbreviationCd>
            <ZIPCd>778025219</ZIPCd>
          </USAddress>
          <TitleTxt>Trustee</TitleTxt>
          <AverageHrsPerWkDevotedToPosRt>1.00</AverageHrsPerWkDevotedToPosRt>
          <CompensationAmt>9000</CompensationAmt>
        </OfficerDirTrstKeyEmplGrp>
        <CompOfHghstPdEmplOrNONETxt>NONE</CompOfHghstPdEmplOrNONETxt>
        <CompOfHghstPdCntrctOrNONETxt>NONE</CompOfHghstPdCntrctOrNONETxt>
      </OfficerDirTrstKeyEmplInfoGrp>
      <MinimumInvestmentReturnGrp>
        <AverageMonthlyFMVOfSecAmt>7053621</AverageMonthlyFMVOfSecAmt>
        <AverageMonthlyCashBalancesAmt>322557</AverageMonthlyCashBalancesAmt>
        <FMVAllOtherNoncharitableAstAmt>2545508</FMVAllOtherNoncharitableAstAmt>
        <TotalFMVOfUnusedAssetsAmt>9921686</TotalFMVOfUnusedAssetsAmt>
        <ReductionClaimedAmt>0</ReductionClaimedAmt>
        <AdjustedTotalFMVOfUnusedAstAmt>9921686</AdjustedTotalFMVOfUnusedAstAmt>
        <CashDeemedCharitableAmt>148825</CashDeemedCharitableAmt>
        <NetVlNoncharitableAssetsAmt>9772861</NetVlNoncharitableAssetsAmt>
        <MinimumInvestmentReturnAmt>488643</MinimumInvestmentReturnAmt>
      </MinimumInvestmentReturnGrp>
      <DistributableAmountGrp>
        <MinimumInvestmentReturnAmt>488643</MinimumInvestmentReturnAmt>
        <TaxBasedOnInvestmentIncomeAmt>5011</TaxBasedOnInvestmentIncomeAmt>
        <TotalTaxAmt>5011</TotalTaxAmt>
        <DistributableBeforeAdjAmt>483632</DistributableBeforeAdjAmt>
        <DistributableBeforeDedAmt>483632</DistributableBeforeDedAmt>
        <DistributableAsAdjustedAmt>483632</DistributableAsAdjustedAmt>
      </DistributableAmountGrp>
      <PFQualifyingDistributionsGrp>
        <ExpensesAndContributionsAmt>524105</ExpensesAndContributionsAmt>
        <QualifyingDistributionsAmt>524105</QualifyingDistributionsAmt>
      </PFQualifyingDistributionsGrp>
      <UndistributedIncomeGrp>
        <DistributableAsAdjustedAmt>483632</DistributableAsAdjustedAmt>
        <ExcessDistributionCyovYr2Amt>167089</ExcessDistributionCyovYr2Amt>
        <ExcessDistributionCyovYr1Amt>11909</ExcessDistributionCyovYr1Amt>
        <TotalExcessDistributionCyovAmt>178998</TotalExcessDistributionCyovAmt>
        <QualifyingDistributionsAmt>524105</QualifyingDistributionsAmt>
        <TreatedAsDistriFromCorpusAmt>0</TreatedAsDistriFromCorpusAmt>
        <AppliedToCurrentYearAmt>483632</AppliedToCurrentYearAmt>
        <RemainingDistriFromCorpusAmt>40473</RemainingDistriFromCorpusAmt>
        <TotalCorpusAmt>219471</TotalCorpusAmt>
        <UndistributedIncomeCYAmt>0</UndistributedIncomeCYAmt>
        <ExcessDistriCyovToNextYrAmt>219471</ExcessDistriCyovToNextYrAmt>
        <ExcessFromYear2Amt>167089</ExcessFromYear2Amt>
        <ExcessFromYear1Amt>11909</ExcessFromYear1Amt>
        <ExcessFromCurrentYearAmt>40473</ExcessFromCurrentYearAmt>
      </UndistributedIncomeGrp>
      <SupplementaryInformationGrp>
        <OnlyContriToPreselectedInd>X</OnlyContriToPreselectedInd>
        <GrantOrContributionPdDurYrGrp>
          <RecipientPersonNm>RICE UNIVERSITY</RecipientPersonNm>
          <RecipientUSAddress>
            <AddressLine1Txt>6100 MAIN STREET</AddressLine1Txt>
            <CityNm>HOUSTON</CityNm>
            <StateAbbreviationCd>TX</StateAbbreviationCd>
            <ZIPCd>77005</ZIPCd>
          </RecipientUSAddress>
          <RecipientRelationshipTxt>NONE</RecipientRelationshipTxt>
          <RecipientFoundationStatusTxt>501C-3</RecipientFoundationStatusTxt>
          <GrantOrContributionPurposeTxt>EDUCATIONAL &amp; MEDICAL RESEARCH GRANT</GrantOrContributionPurposeTxt>
          <Amt>250000</Amt>
        </GrantOrContributionPdDurYrGrp>
        <GrantOrContributionPdDurYrGrp>
          <RecipientPersonNm>TEXAS CHILDREN'S HOSPITAL</RecipientPersonNm>
          <RecipientUSAddress>
            <AddressLine1Txt>PO BOX 300630 MC 4-4483</AddressLine1Txt>
            <CityNm>HOUSTON</CityNm>
            <StateAbbreviationCd>TX</StateAbbreviationCd>
            <ZIPCd>77230</ZIPCd>
          </RecipientUSAddress>
          <RecipientRelationshipTxt>NONE</RecipientRelationshipTxt>
          <RecipientFoundationStatusTxt>501C-3</RecipientFoundationStatusTxt>
          <GrantOrContributionPurposeTxt>MEDICAL RESEARCH GRANT</GrantOrContributionPurposeTxt>
          <Amt>250000</Amt>
        </GrantOrContributionPdDurYrGrp>
        <TotalGrantOrContriPdDurYrAmt>500000</TotalGrantOrContriPdDurYrAmt>
      </SupplementaryInformationGrp>
      <AnalysisIncomeProducingActyGrp>
        <IntOnSavAndTempCashInvstGrp>
          <ExclusionCd>14</ExclusionCd>
          <ExclusionAmt>45730</ExclusionAmt>
        </IntOnSavAndTempCashInvstGrp>
        <DividendsAndInterestFromSecDtl>
          <ExclusionCd>14</ExclusionCd>
          <ExclusionAmt>162601</ExclusionAmt>
        </DividendsAndInterestFromSecDtl>
        <GainSalesAstOthThanInvntryGrp>
          <ExclusionCd>18</ExclusionCd>
          <ExclusionAmt>171049</ExclusionAmt>
        </GainSalesAstOthThanInvntryGrp>
        <OtherRevenueDescribedGrp>
          <Desc>OIL/GAS NET ROYALTIES</Desc>
          <ExclusionCd>15</ExclusionCd>
          <ExclusionAmt>6360</ExclusionAmt>
        </OtherRevenueDescribedGrp>
        <OtherRevenueDescribedGrp>
          <Desc>OTHER INCOME PAR K-1</Desc>
          <ExclusionCd>18</ExclusionCd>
          <ExclusionAmt>21869</ExclusionAmt>
        </OtherRevenueDescribedGrp>
        <OtherRevenueDescribedGrp>
          <Desc>PASTURE LEASE-NET INCIDENTAL REVENUE</Desc>
          <ExclusionCd>16</ExclusionCd>
          <ExclusionAmt>3000</ExclusionAmt>
        </OtherRevenueDescribedGrp>
        <OtherRevenueDescribedGrp>
          <Desc>PRODIGY ABS K-1-UBTI FROM DEBT</Desc>
          <BusinessCd>523000</BusinessCd>
          <UnrelatedBusinessTaxblIncmAmt>1124</UnrelatedBusinessTaxblIncmAmt>
        </OtherRevenueDescribedGrp>
        <OtherRevenueDescribedGrp>
          <Desc>PRODIGY ABS RETURN FD K-1-ubti</Desc>
          <BusinessCd>523000</BusinessCd>
          <UnrelatedBusinessTaxblIncmAmt>4903</UnrelatedBusinessTaxblIncmAmt>
        </OtherRevenueDescribedGrp>
        <SubtotalsIncmProducingActyGrp>
          <UnrelatedBusinessTaxblIncmAmt>6027</UnrelatedBusinessTaxblIncmAmt>
          <ExclusionAmt>410609</ExclusionAmt>
        </SubtotalsIncmProducingActyGrp>
        <TotalIncomeProducingActyAmt>416636</TotalIncomeProducingActyAmt>
      </AnalysisIncomeProducingActyGrp>
      <TrnsfrTransRlnNonchrtblEOGrp>
        <TrnsfrOfCashToNonchrtblEOInd>false</TrnsfrOfCashToNonchrtblEOInd>
        <TrnsfrOtherAssetNonchrtblEOInd>false</TrnsfrOtherAssetNonchrtblEOInd>
        <SalesOrExchangesOfAssetsInd>false</SalesOrExchangesOfAssetsInd>
        <PurchaseOfAssetsNonchrtblEOInd>false</PurchaseOfAssetsNonchrtblEOInd>
        <RentalOfFacilitiesOthAssetsInd>false</RentalOfFacilitiesOthAssetsInd>
        <ReimbursementArrangementsInd>false</ReimbursementArrangementsInd>
        <LoansOrLoanGuaranteesInd>false</LoansOrLoanGuaranteesInd>
        <PerformanceOfServicesEtcInd>false</PerformanceOfServicesEtcInd>
        <SharingOfFacilitiesEtcInd>false</SharingOfFacilitiesEtcInd>
        <RelationshipsNonchrtblEOInd>false</RelationshipsNonchrtblEOInd>
      </TrnsfrTransRlnNonchrtblEOGrp>
    </IRS990PF>
    <AccountingFeesSchedule documentId="AccountingFeesSchedule" softwareId="23017517" softwareVersionNum="2023v5.1">
      <AccountingFeesDetail>
        <CategoryTxt>PROFESSIONAL FEES/ACCTG/TAX PREP</CategoryTxt>
        <Amt>11950</Amt>
        <NetInvestmentIncomeAmt>9560</NetInvestmentIncomeAmt>
        <AdjustedNetIncomeAmt>0</AdjustedNetIncomeAmt>
        <DisbursementsCharitablePrpsAmt>2390</DisbursementsCharitablePrpsAmt>
      </AccountingFeesDetail>
    </AccountingFeesSchedule>
    <InvestmentsLandSchedule2 documentId="InvestmentsLandSchedule2" softwareId="23017517" softwareVersionNum="2023v5.1">
      <InvestmentLandGrp>
        <CategoryOrItemTxt>Land</CategoryOrItemTxt>
        <CostOrOtherBasisAmt>555393</CostOrOtherBasisAmt>
        <BookValueAmt>555393</BookValueAmt>
        <EOYFMVAmt>2515927</EOYFMVAmt>
      </InvestmentLandGrp>
    </InvestmentsLandSchedule2>
    <LegalFeesSchedule documentId="LegalFeesSchedule" softwareId="23017517" softwareVersionNum="2023v5.1">
      <LegalFeesGrp>
        <CategoryTxt>ATTORNEY FEES</CategoryTxt>
        <LegalFeesAmt>20960</LegalFeesAmt>
        <NetInvestmentIncomeAmt>12576</NetInvestmentIncomeAmt>
        <AdjustedNetIncomeAmt>0</AdjustedNetIncomeAmt>
        <DisbursementsCharitablePrpsAmt>8384</DisbursementsCharitablePrpsAmt>
      </LegalFeesGrp>
    </LegalFeesSchedule>
    <OtherAssetsSchedule documentId="OtherAssetsSchedule" softwareId="23017517" softwareVersionNum="2023v5.1">
      <OtherAssetsScheduleGrp>
        <Desc>IN TRANSIT ACTIVITY</Desc>
        <EOYBookValueAmt>883</EOYBookValueAmt>
        <EOYFMVAmt>883</EOYFMVAmt>
      </OtherAssetsScheduleGrp>
      <OtherAssetsScheduleGrp>
        <Desc>Net Intangible Assets</Desc>
        <BOYBookValueAmt>29581</BOYBookValueAmt>
        <EOYBookValueAmt>29581</EOYBookValueAmt>
        <EOYFMVAmt>29581</EOYFMVAmt>
      </OtherAssetsScheduleGrp>
      <OtherAssetsScheduleGrp>
        <Desc>PREPAID TAXES</Desc>
        <BOYBookValueAmt>7555</BOYBookValueAmt>
        <EOYBookValueAmt>5994</EOYBookValueAmt>
        <EOYFMVAmt>5994</EOYFMVAmt>
      </OtherAssetsScheduleGrp>
    </OtherAssetsSchedule>
    <OtherExpensesSchedule documentId="OtherExpensesSchedule" softwareId="23017517" softwareVersionNum="2023v5.1">
      <OtherExpensesScheduleGrp>
        <Desc>FROM K-1 PAR FUND-PORTFOLIO DEDUCTIONS</Desc>
        <RevenueAndExpensesPerBooksAmt>24274</RevenueAndExpensesPerBooksAmt>
      </OtherExpensesScheduleGrp>
      <OtherExpensesScheduleGrp>
        <Desc>SCHWAB INVMT FEES-portfolio deductions</Desc>
        <RevenueAndExpensesPerBooksAmt>24525</RevenueAndExpensesPerBooksAmt>
      </OtherExpensesScheduleGrp>
      <OtherExpensesScheduleGrp>
        <Desc>trust administration fees</Desc>
        <RevenueAndExpensesPerBooksAmt>12262</RevenueAndExpensesPerBooksAmt>
        <NetInvestmentIncomeAmt>6131</NetInvestmentIncomeAmt>
        <DisbursementsCharitablePrpsAmt>6131</DisbursementsCharitablePrpsAmt>
      </OtherExpensesScheduleGrp>
    </OtherExpensesSchedule>
    <OtherIncomeSchedule2 documentId="OtherIncomeSchedule2" softwareId="23017517" softwareVersionNum="2023v5.1">
      <OtherIncomeDetail>
        <Desc>OIL/GAS NET ROYALTIES</Desc>
        <RevenueAndExpensesPerBooksAmt>6360</RevenueAndExpensesPerBooksAmt>
        <NetInvestmentIncomeAmt>6360</NetInvestmentIncomeAmt>
      </OtherIncomeDetail>
      <OtherIncomeDetail>
        <Desc>OTHER INCOME PAR K-1</Desc>
        <RevenueAndExpensesPerBooksAmt>21869</RevenueAndExpensesPerBooksAmt>
        <NetInvestmentIncomeAmt>21869</NetInvestmentIncomeAmt>
      </OtherIncomeDetail>
      <OtherIncomeDetail>
        <Desc>PASTURE LEASE-NET INCIDENTAL REVENUE</Desc>
        <RevenueAndExpensesPerBooksAmt>3000</RevenueAndExpensesPerBooksAmt>
        <NetInvestmentIncomeAmt>3000</NetInvestmentIncomeAmt>
      </OtherIncomeDetail>
      <OtherIncomeDetail>
        <Desc>PRODIGY ABS K-1-UBTI FROM DEBT</Desc>
        <RevenueAndExpensesPerBooksAmt>1124</RevenueAndExpensesPerBooksAmt>
      </OtherIncomeDetail>
      <OtherIncomeDetail>
        <Desc>PRODIGY ABS RETURN FD K-1-ubti</Desc>
        <RevenueAndExpensesPerBooksAmt>4903</RevenueAndExpensesPerBooksAmt>
      </OtherIncomeDetail>
    </OtherIncomeSchedule2>
    <TaxesSchedule documentId="TaxesSchedule" softwareId="23017517" softwareVersionNum="2023v5.1">
      <TaxesDetail>
        <CategoryTxt>ADVALOREM TAXES ON MINERAL PROPERTY</CategoryTxt>
        <Amt>878</Amt>
        <NetInvestmentIncomeAmt>878</NetInvestmentIncomeAmt>
      </TaxesDetail>
      <TaxesDetail>
        <CategoryTxt>Federal tax paid</CategoryTxt>
        <Amt>5811</Amt>
      </TaxesDetail>
      <TaxesDetail>
        <CategoryTxt>FOREIGN TAXES-DIVIDENDS-SCHWAB</CategoryTxt>
        <Amt>3069</Amt>
        <NetInvestmentIncomeAmt>3069</NetInvestmentIncomeAmt>
      </TaxesDetail>
      <TaxesDetail>
        <CategoryTxt>FOREIGN TAXES-K-1 PRODIGY ABS RTN FUND</CategoryTxt>
        <Amt>471</Amt>
        <NetInvestmentIncomeAmt>471</NetInvestmentIncomeAmt>
      </TaxesDetail>
    </TaxesSchedule>
  </ReturnData>
</Return>