Sir Frederick Augustus Wetherall, GCH (1754–1842) was a British General, of Castle Bear House, Ealing. He entered the Army in 1775 as an ensign in the 17th Regiment of Foot and fought in North America at the Siege of Boston and the subsequent evacuation to Halifax in 1776. He was afterwards involved at the battles of Long Island, White Plains, Brandywine and others, before joining HMS Alfred as captain of Marines and fighting at the Battle of St Vincent. In 1781 he was in Guernsey but in 1783 transferred to the 11th Regiment of Foot and spent 6 years in Gibraltar. In 1790 he was back in the Americas as an aide to the Duke of Kent in Quebec and the West Indies, where he took part in the capture of Martinique. In 1795 he was captured at sea by the French and spent 9 months as a prisoner-of-w