Exhibit
      31 : Sarbanes-Oxley Certification




I,
      E.
      Todd Whittemore, certify that:





1.
      I have
      reviewed this report on Form 10-K and all reports on Form 10-D required to
      be
      filed in respect of the period covered by this report on Form 10-K of First
      Franklin Mortgage Loan Trust 2006-FF12 (the “Exchange Act periodic
      reports”);





2.
      Based
      on my knowledge, the Exchange Act periodic reports, taken as a whole, do not
      contain any untrue statement of a material fact or omit to state a material
      fact
      necessary to make the statements made, in light of the circumstances under
      which
      such statements were made, not misleading with respect to the period covered
      by
      this report;





3.
      Based
      on my knowledge, all of the distribution, servicing and other information
      required to be provided under Form 10-D for the period covered by this report
      is
      included in the Exchange Act periodic reports;





4.
      I am
      responsible for reviewing the activities performed by the servicers and based
      on
      my knowledge and the compliance reviews conducted in preparing the servicer
      compliance statements required in this report under Item 1123 of Regulation
      AB,
      and except as disclosed in the Exchange Act periodic reports, the servicers
      have
      fulfilled their obligations under the servicing agreements in all material
      respects; and





5.
      All of
      the reports on assessment of compliance with servicing criteria for asset-backed
      securities and their related attestation reports on assessment of compliance
      with servicing criteria for asset-backed securities required to be included
      in
      this report in accordance with Item 1122 of Regulation AB and Exchange Act
      Rules
      13a-18 and 15d-18 have been included as an exhibit to this report, except as
      otherwise disclosed in this report. Any material instances of noncompliance
      described in such reports have been disclosed in this report on Form
      10-K.





In
      giving
      the certifications above, I have reasonably relied on information provided
      to me
      by the following unaffiliated parties:





Assurant
      Inc., as Sub-Contractor for Home Loan Services, Inc. f/k/a National City Home
      Services, Inc.


First
      American Real Estate Solutions of Texas, L.P., as Sub-Contractor for Home Loan
      Services, Inc. f/k/a National City Home Services, Inc.


Home
      Loan
      Services, Inc. f/k/a National City Home Services, Inc., as Servicer


Office
      Tiger Global Real Estate Services, Inc., as Credit Risk Manager


U.S.
      Bank
      National Association, as Trustee, Paying Agent and Custodian


Regulus
      Group LLC, as Sub-Contractor for Home Loan Services, Inc. f/k/a National City
      Home Services, Inc.








Dated:
      March 29, 2007








/s/
        E.
        Todd Whittemore


E.
      Todd
      Whittemore


Executive
        Vice President


Senior
        Officer in charge of the servicing function Aurora Loan Services LLC (“Aurora”),
        in its capacity as Master Servicer