Quarrelled with father, moved to Shenandoah Valley, Virginia, transported supplies to frontier points of Virginia. Served as Lieutenant in Pontiac’s War, 1774, accompanied Lord Dunmore’s expedition to Western Pennsylvania. Commissioned captain company of riflemen from Virginia, 1775, accompanied Benedict Arnold in assault of Quebec, was captured, 1775.
Commissioned colonel 11th Virginia Regiment, 1776. Commissioned brigadier general Continental Army, 1780, joined General Nathaniel Gates. Defeated British at Battle of Cowpens (North Carolina), 1781, awarded Gold medal by Continental Congress.
Retired to estate in Virginia after Revolutionary War. Commanded Virginia Militia ordered by President.
- Worked in Bucks County (where his father was ironmaster Durham Iron Works). General Continental Army, 1780, joined General Nathaniel Gates.