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          <RecipientFoundationStatusTxt>PC</RecipientFoundationStatusTxt>
          <GrantOrContributionPurposeTxt>GENERAL SUPPORT</GrantOrContributionPurposeTxt>
          <Amt>1550500</Amt>
        </GrantOrContributionPdDurYrGrp>
        <TotalGrantOrContriPdDurYrAmt>1550500</TotalGrantOrContriPdDurYrAmt>
      </SupplementaryInformationGrp>
      <AnalysisIncomeProducingActyGrp>
        <FeesContractsFromGovtAgGrp />
        <MembershipDuesAndAssmntGrp />
        <IntOnSavAndTempCashInvstGrp />
        <DividendsAndInterestFromSecDtl>
          <ExclusionCd>14</ExclusionCd>
          <ExclusionAmt>654451</ExclusionAmt>
        </DividendsAndInterestFromSecDtl>
        <NetRntlIncmReDebtFincdPropGrp />
        <NetRntlIncmReNotDebtFincdProp />
        <NetRentalIncomePersonalPropGrp />
        <OtherInvestmentIncomeGrp>
          <ExclusionCd>14</ExclusionCd>
          <ExclusionAmt>0</ExclusionAmt>
        </OtherInvestmentIncomeGrp>
        <GainSalesAstOthThanInvntryGrp>
          <ExclusionCd>18</ExclusionCd>
          <ExclusionAmt>179581</ExclusionAmt>
        </GainSalesAstOthThanInvntryGrp>
        <NetIncomeLossFromSpecialEvtGrp />
        <GrossProfitLossSlsOfInvntryGrp />
        <OtherRevenueDescribedGrp>
          <Desc>MFO BLACKROCK FDS</Desc>
          <ExclusionAmt>229</ExclusionAmt>
        </OtherRevenueDescribedGrp>
        <OtherRevenueDescribedGrp>
          <Desc>MFO DFA INVT DIMEN</Desc>
          <ExclusionAmt>30</ExclusionAmt>
        </OtherRevenueDescribedGrp>
        <OtherRevenueDescribedGrp>
          <Desc>MFO DFA INVT DIMEN</Desc>
          <ExclusionAmt>7</ExclusionAmt>
        </OtherRevenueDescribedGrp>
        <OtherRevenueDescribedGrp>
          <Desc>MFO DFA INVESTMENT</Desc>
          <ExclusionAmt>36</ExclusionAmt>
        </OtherRevenueDescribedGrp>
        <OtherRevenueDescribedGrp>
          <Desc>MAF GLOBAL EQUITY</Desc>
          <ExclusionAmt>35303</ExclusionAmt>
        </OtherRevenueDescribedGrp>
        <OtherRevenueDescribedGrp>
          <Desc>MAF CONCENTRATED H</Desc>
          <ExclusionAmt>8015</ExclusionAmt>
        </OtherRevenueDescribedGrp>
        <SubtotalsIncmProducingActyGrp>
          <ExclusionAmt>877652</ExclusionAmt>
        </SubtotalsIncmProducingActyGrp>
        <TotalIncomeProducingActyAmt>877652</TotalIncomeProducingActyAmt>
      </AnalysisIncomeProducingActyGrp>
      <RlnOfActyToAccomOfExmptPrpsGrp />
      <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>
    <IRS990ScheduleB documentId="IRS990ScheduleB">
      <Organization501c3ExemptPFInd>X</Organization501c3ExemptPFInd>
      <GeneralRuleInd>X</GeneralRuleInd>
      <ContributorInformationGrp>
        <ContributorNum>1</ContributorNum>
        <ContributorPersonNm>COWLIN CHARITABLE LEAD TRUSTS</ContributorPersonNm>
        <ContributorUSAddress>
          <AddressLine1Txt>C/O NORTHERN TRUST COMPANY</AddressLine1Txt>
          <CityNm>CHICAGO</CityNm>
          <StateAbbreviationCd>IL</StateAbbreviationCd>
          <ZIPCd>60680</ZIPCd>
        </ContributorUSAddress>
        <TotalContributionsAmt>567366</TotalContributionsAmt>
        <PersonContributionInd>X</PersonContributionInd>
      </ContributorInformationGrp>
    </IRS990ScheduleB>
    <AccountingFeesSchedule documentId="AccountingFeesSchedule">
      <AccountingFeesDetail>
        <CategoryTxt>TAX PREPARATION FEE (NON-ALLOC</CategoryTxt>
        <Amt>3100</Amt>
        <NetInvestmentIncomeAmt>1550</NetInvestmentIncomeAmt>
        <DisbursementsCharitablePrpsAmt>1550</DisbursementsCharitablePrpsAmt>
      </AccountingFeesDetail>
    </AccountingFeesSchedule>
    <InvestmentsCorpBondsSchedule documentId="InvestmentsCorpBondsSchedule">
      <InvestmentsCorporateBondsGrp>
        <BondNm>SEE ATTACHED SCHEDULE</BondNm>
      </InvestmentsCorporateBondsGrp>
      <InvestmentsCorporateBondsGrp>
        <BondNm>C09260B630 MFO BLACKROCK FDS V</BondNm>
        <EOYBookValueAmt>1108981</EOYBookValueAmt>
        <EOYFMVAmt>1152232</EOYFMVAmt>
      </InvestmentsCorporateBondsGrp>
      <InvestmentsCorporateBondsGrp>
        <BondNm>C665162467 MFB NORTHN FDS ULTR</BondNm>
        <EOYBookValueAmt>615990</EOYBookValueAmt>
        <EOYFMVAmt>622597</EOYFMVAmt>
      </InvestmentsCorporateBondsGrp>
      <InvestmentsCorporateBondsGrp>
        <BondNm>C665162533 MFB NORTHERN FUNDS</BondNm>
        <EOYBookValueAmt>700000</EOYBookValueAmt>
        <EOYFMVAmt>682016</EOYFMVAmt>
      </InvestmentsCorporateBondsGrp>
      <InvestmentsCorporateBondsGrp>
        <BondNm>C665162699 MFB NORTHERN HIGH Y</BondNm>
        <EOYBookValueAmt>697237</EOYBookValueAmt>
        <EOYFMVAmt>684291</EOYFMVAmt>
      </InvestmentsCorporateBondsGrp>
      <InvestmentsCorporateBondsGrp>
        <BondNm>C665162806 MFB NORTHERN FUNDS</BondNm>
        <EOYBookValueAmt>467527</EOYBookValueAmt>
        <EOYFMVAmt>456381</EOYFMVAmt>
      </InvestmentsCorporateBondsGrp>
      <InvestmentsCorporateBondsGrp>
        <BondNm>C33939L506 MFC FLEXSHARES TR T</BondNm>
        <EOYBookValueAmt>124082</EOYBookValueAmt>
        <EOYFMVAmt>117950</EOYFMVAmt>
      </InvestmentsCorporateBondsGrp>
      <InvestmentsCorporateBondsGrp>
        <BondNm>C941997942 MAF CONCENTRATED HY</BondNm>
        <EOYBookValueAmt>124254</EOYBookValueAmt>
        <EOYFMVAmt>117566</EOYFMVAmt>
      </InvestmentsCorporateBondsGrp>
    </InvestmentsCorpBondsSchedule>
    <InvestmentsCorpStockSchedule documentId="InvestmentsCorpStockSchedule">
      <InvestmentsCorporateStockGrp>
        <StockNm>SEE ATTACHED SCHEDULE</StockNm>
      </InvestmentsCorporateStockGrp>
      <InvestmentsCorporateStockGrp>
        <StockNm>C233203421 MFO DFA INVT DIMENS</StockNm>
        <EOYBookValueAmt>526430</EOYBookValueAmt>
        <EOYFMVAmt>590048</EOYFMVAmt>
      </InvestmentsCorporateStockGrp>
      <InvestmentsCorporateStockGrp>
        <StockNm>C233203843 MFO DFA INVESTMENT</StockNm>
        <EOYBookValueAmt>632275</EOYBookValueAmt>
        <EOYFMVAmt>770098</EOYFMVAmt>
      </InvestmentsCorporateStockGrp>
      <InvestmentsCorporateStockGrp>
        <StockNm>C33939L407 MFC FLEXSHARES TR M</StockNm>
        <EOYBookValueAmt>575363</EOYBookValueAmt>
        <EOYFMVAmt>713856</EOYFMVAmt>
      </InvestmentsCorporateStockGrp>
      <InvestmentsCorporateStockGrp>
        <StockNm>C464287598 MFC ISHARES TR RUSS</StockNm>
        <EOYBookValueAmt>26</EOYBookValueAmt>
        <EOYFMVAmt>104</EOYFMVAmt>
      </InvestmentsCorporateStockGrp>
      <InvestmentsCorporateStockGrp>
        <StockNm>C464288372 MFC ISHARES TR GLOB</StockNm>
        <EOYBookValueAmt>475399</EOYBookValueAmt>
        <EOYFMVAmt>535768</EOYFMVAmt>
      </InvestmentsCorporateStockGrp>
      <InvestmentsCorporateStockGrp>
        <StockNm>C552966806 MFO MFS INSTL INTL</StockNm>
        <EOYBookValueAmt>1173017</EOYBookValueAmt>
        <EOYFMVAmt>1709550</EOYFMVAmt>
      </InvestmentsCorporateStockGrp>
      <InvestmentsCorporateStockGrp>
        <StockNm>C665130100 MFB NORTHERN EQUITY</StockNm>
        <EOYBookValueAmt>259854</EOYBookValueAmt>
        <EOYFMVAmt>302542</EOYFMVAmt>
      </InvestmentsCorporateStockGrp>
      <InvestmentsCorporateStockGrp>
        <StockNm>C665130209 MFB NORTHERN EQUITY</StockNm>
        <EOYBookValueAmt>738018</EOYBookValueAmt>
        <EOYFMVAmt>1364564</EOYFMVAmt>
      </InvestmentsCorporateStockGrp>
      <InvestmentsCorporateStockGrp>
        <StockNm>C665162772 MFB NORTHERN FUNDS</StockNm>
        <EOYBookValueAmt>8841129</EOYBookValueAmt>
        <EOYFMVAmt>13820589</EOYFMVAmt>
      </InvestmentsCorporateStockGrp>
      <InvestmentsCorporateStockGrp>
        <StockNm>C78462F103 MFC SPDR S&amp;P 500 ET</StockNm>
        <EOYBookValueAmt>642754</EOYBookValueAmt>
        <EOYFMVAmt>1497434</EOYFMVAmt>
      </InvestmentsCorporateStockGrp>
      <InvestmentsCorporateStockGrp>
        <StockNm>C78467Y107 SPDR S&amp;P MIDCAP 400</StockNm>
        <EOYBookValueAmt>209059</EOYBookValueAmt>
        <EOYFMVAmt>797412</EOYFMVAmt>
      </InvestmentsCorporateStockGrp>
      <InvestmentsCorporateStockGrp>
        <StockNm>C890999105 MAF GLOBAL EQUITY F</StockNm>
        <EOYBookValueAmt>272144</EOYBookValueAmt>
        <EOYFMVAmt>321347</EOYFMVAmt>
      </InvestmentsCorporateStockGrp>
    </InvestmentsCorpStockSchedule>
    <InvestmentsOtherSchedule2 documentId="InvestmentsOtherSchedule2">
      <InvestmentsOtherGrp>
        <CategoryOrItemTxt>SEE ATTACHED SCHEDULE</CategoryOrItemTxt>
      </InvestmentsOtherGrp>
      <InvestmentsOtherGrp>
        <CategoryOrItemTxt>C233203835 MFO DFA INVT DIMENS</CategoryOrItemTxt>
        <ListedAtCostOrFMVCd>AT COST</ListedAtCostOrFMVCd>
        <BookValueAmt>155311</BookValueAmt>
        <EOYFMVAmt>147237</EOYFMVAmt>
      </InvestmentsOtherGrp>
      <InvestmentsOtherGrp>
        <CategoryOrItemTxt>C665162541 MFB NORTHERN FDS GL</CategoryOrItemTxt>
        <ListedAtCostOrFMVCd>AT COST</ListedAtCostOrFMVCd>
        <BookValueAmt>206063</BookValueAmt>
        <EOYFMVAmt>224132</EOYFMVAmt>
      </InvestmentsOtherGrp>
    </InvestmentsOtherSchedule2>
    <OtherDecreasesSchedule documentId="OtherDecreasesSchedule">
      <OtherDecreasesDetail>
        <Desc>2024 TRANSACTIONS POSTED IN 2025</Desc>
        <Amt>16883</Amt>
      </OtherDecreasesDetail>
      <OtherDecreasesDetail>
        <Desc>REVERSAL OF PRORATED CLT CONTRIBUTION</Desc>
        <Amt>151901</Amt>
      </OtherDecreasesDetail>
      <OtherDecreasesDetail>
        <Desc>COST BASIS ADJ</Desc>
        <Amt>1554</Amt>
      </OtherDecreasesDetail>
    </OtherDecreasesSchedule>
    <OtherExpensesSchedule documentId="OtherExpensesSchedule">
      <OtherExpensesScheduleGrp>
        <Desc>STATE FILING FEES</Desc>
        <RevenueAndExpensesPerBooksAmt>15</RevenueAndExpensesPerBooksAmt>
        <NetInvestmentIncomeAmt>0</NetInvestmentIncomeAmt>
        <DisbursementsCharitablePrpsAmt>15</DisbursementsCharitablePrpsAmt>
      </OtherExpensesScheduleGrp>
      <OtherExpensesScheduleGrp>
        <Desc>CLASS ACTION FILING FEES</Desc>
        <RevenueAndExpensesPerBooksAmt>15</RevenueAndExpensesPerBooksAmt>
        <NetInvestmentIncomeAmt>15</NetInvestmentIncomeAmt>
        <DisbursementsCharitablePrpsAmt>0</DisbursementsCharitablePrpsAmt>
      </OtherExpensesScheduleGrp>
      <OtherExpensesScheduleGrp>
        <Desc>FROM PARTNERSHIP/S-CORP</Desc>
        <RevenueAndExpensesPerBooksAmt>5357</RevenueAndExpensesPerBooksAmt>
        <NetInvestmentIncomeAmt>5357</NetInvestmentIncomeAmt>
        <DisbursementsCharitablePrpsAmt>0</DisbursementsCharitablePrpsAmt>
      </OtherExpensesScheduleGrp>
    </OtherExpensesSchedule>
    <OtherIncomeSchedule2 documentId="OtherIncomeSchedule2">
      <OtherIncomeDetail>
        <Desc>MFO BLACKROCK FDS V HIGH YIELD BD PORT I</Desc>
        <RevenueAndExpensesPerBooksAmt>229</RevenueAndExpensesPerBooksAmt>
        <NetInvestmentIncomeAmt>229</NetInvestmentIncomeAmt>
      </OtherIncomeDetail>
      <OtherIncomeDetail>
        <Desc>MFO DFA INVT DIMENSIONS GROUP INC EMERGI</Desc>
        <RevenueAndExpensesPerBooksAmt>30</RevenueAndExpensesPerBooksAmt>
        <NetInvestmentIncomeAmt>30</NetInvestmentIncomeAmt>
      </OtherIncomeDetail>
      <OtherIncomeDetail>
        <Desc>MFO DFA INVT DIMENSIONS GROUP INC REAL E</Desc>
        <RevenueAndExpensesPerBooksAmt>7</RevenueAndExpensesPerBooksAmt>
        <NetInvestmentIncomeAmt>7</NetInvestmentIncomeAmt>
      </OtherIncomeDetail>
      <OtherIncomeDetail>
        <Desc>MFO DFA INVESTMENT DIMENSIONS GROUP INC</Desc>
        <RevenueAndExpensesPerBooksAmt>36</RevenueAndExpensesPerBooksAmt>
        <NetInvestmentIncomeAmt>36</NetInvestmentIncomeAmt>
      </OtherIncomeDetail>
      <OtherIncomeDetail>
        <Desc>MAF GLOBAL EQUITY FUND - GENERATION INVE</Desc>
        <RevenueAndExpensesPerBooksAmt>35303</RevenueAndExpensesPerBooksAmt>
        <NetInvestmentIncomeAmt>35303</NetInvestmentIncomeAmt>
      </OtherIncomeDetail>
      <OtherIncomeDetail>
        <Desc>MAF CONCENTRATED HY AND LEVERAGED LOAN</Desc>
        <RevenueAndExpensesPerBooksAmt>8015</RevenueAndExpensesPerBooksAmt>
        <NetInvestmentIncomeAmt>8015</NetInvestmentIncomeAmt>
      </OtherIncomeDetail>
    </OtherIncomeSchedule2>
    <OtherIncreasesSchedule documentId="OtherIncreasesSchedule">
      <OtherIncreasesDetail>
        <Desc>PY PARTNERSHIP TAX BASIS ADJUSTMENT</Desc>
        <Amt>223579</Amt>
      </OtherIncreasesDetail>
      <OtherIncreasesDetail>
        <Desc>2023 TRANSACTIONS POSTED IN 2024</Desc>
        <Amt>19137</Amt>
      </OtherIncreasesDetail>
    </OtherIncreasesSchedule>
    <OtherProfessionalFeesSchedule documentId="OtherProfessionalFeesSchedule">
      <OtherProfessionalFeesDetail>
        <CategoryTxt>NT ADVISORY FEES</CategoryTxt>
        <Amt>36218</Amt>
        <NetInvestmentIncomeAmt>9054</NetInvestmentIncomeAmt>
        <DisbursementsCharitablePrpsAmt>27164</DisbursementsCharitablePrpsAmt>
      </OtherProfessionalFeesDetail>
    </OtherProfessionalFeesSchedule>
    <TaxesSchedule documentId="TaxesSchedule">
      <TaxesDetail>
        <CategoryTxt>FEDERAL TAX PAYMENT - PRIOR YE</CategoryTxt>
        <Amt>1000</Amt>
        <NetInvestmentIncomeAmt>0</NetInvestmentIncomeAmt>
        <DisbursementsCharitablePrpsAmt>0</DisbursementsCharitablePrpsAmt>
      </TaxesDetail>
      <TaxesDetail>
        <CategoryTxt>ESTIMATED TAX PAYMENTS</CategoryTxt>
        <Amt>5500</Amt>
        <NetInvestmentIncomeAmt>0</NetInvestmentIncomeAmt>
        <DisbursementsCharitablePrpsAmt>0</DisbursementsCharitablePrpsAmt>
      </TaxesDetail>
      <TaxesDetail>
        <CategoryTxt>FOREIGN TAXES ON QUALIFIED FOR</CategoryTxt>
        <Amt>5290</Amt>
        <NetInvestmentIncomeAmt>5290</NetInvestmentIncomeAmt>
        <DisbursementsCharitablePrpsAmt>0</DisbursementsCharitablePrpsAmt>
      </TaxesDetail>
      <TaxesDetail>
        <CategoryTxt>FOREIGN TAXES ON NONQUALIFIED</CategoryTxt>
        <Amt>1560</Amt>
        <NetInvestmentIncomeAmt>1560</NetInvestmentIncomeAmt>
        <DisbursementsCharitablePrpsAmt>0</DisbursementsCharitablePrpsAmt>
      </TaxesDetail>
    </TaxesSchedule>
  </ReturnData>
</Return>