ereof would in any way affect, jeopardize or cause the disallowance to the Marital Trusts of all or any part of the tax benefit afforded by the 19 Dod USI &89098v16 019846-00003 EFTA00601848 marital deduction provisions of Section 2056 of the Code (to the extent so elected by the Executors of the Grantor's es