Ferdinand Van Derveer
Ferdinand Van Derveer was a lawyer and a brigadier general in the Union Army during the American Civil War.
Van Derveer was born in Middletown, Ohio. He was educated at Farmers College, studied law, passed his bar exam and established his practice in Middletown. However, when the MexicanAmerican War erupted, he left his law office and enlisted in the military as a private in the 1st Ohio Volunteers. By the end of the war, he had risen to the rank of captain and commanded an assaulting column at the Battle of Monterey. While his regiment was being mustered out Van Derveer served as a second to Capt. Carr B. White in a duel with Lt. Fyffe over Whites promotion to captain. Van Derveer returned home after the war and resumed his legal career. He served for a number of years as the Sheriff of Butler County, Ohio.
Source: Wikipedia