; born in Geneseo, N. Y.
, Oct. 30, 1807; educated at Harvard and Yale colleges; studied law with Daniel Webster; and was admitted to the bar in 1833, but never practised, having sufficient employment in the management of a large patrimonial estate.
He was a member of the peace convention in 1861, and was one of the first to offer his services to the government when the Civil War
broke out. When communication between Washington
was cut off in April, 1861, he chartered a vessel and filled it with supplies, with which he sailed for Annapolis
with timely relief for Union soldiers there.
In June he was volunteer aide on General McDowell
's staff, and was noted for bravery in the battle of Bull Run
In August he was made brigadier-general of volunteers, and in March, 1862, military governor
of the District of Columbia.
In that year he was Republican candidate for governor of New York, but was defeated by Horatio Seymour
In December he commanded a division under Burnside
in the battle of Fredericksburg
; also in the battles of Chancellorsville
Early in 1864 he was sent on special service to the Mississippi Valley
; and at the opening of the campaign against Richmond
he led a division of the 5th Corps, and was mortally wounded in the battle of the Wilderness
, dying near Chancellorsville, Va.
, May 8, 1864.