Lewis William Washington-- Part 1: Grand-Nephew of George Washington

From Wikipedia.

November 30, 1812- October 1, 1871

Great grand-nephew of President George Washington and father of Custer's classmate at the USMA, James Barroll Washington.

He is principally known  for being a hostage of abolitionist John Brown during his raid on Harpers Ferry and as a prosecution witness during Brown's trial.

Son of George Corbin Washington, the grandson of William Augustine Washington, half brother of George Washington.

Lewis Washington inherited Beall-Air plantation near Halltown, Virginia (now West Virginia) from his mother and lived there from 1840 to his death in 1871.

--Old Secesh