The brother of T.A.D Fessenden was secretary of the treasury under wich president?
T. A. D. Fessenden: Thomas Amory Deblois Fessenden (January 23, 1826 – September 28, 1868) was a U.S. Representative from Maine, the son of abolitionist legislator Samuel Fessenden, and brother of Treasury Secretary William P. Fessenden and congressman Samuel C. Fessenden. William P. Fessenden:  He served in the United States House of Representatives and Senate before becoming Secretary of the Treasury under President Abraham Lincoln during the American Civil War.
Abraham Lincoln