Henry Frederick Campbell

General Sir Henry Frederick Campbell, (10 July 1769 – 3 September 1856) His wife had three sons from her previous marriage to Lieutenant-Colonel Thomas Knox, a nephew of Thomas Knox, 1st Viscount Northland.

Military career Campbell joined the Army on 20 September 1786 as an ensign in the 1st Regiment of Foot Guards. In February 1793 he was deployed with British forces in the defence of the Dutch Republic, and on 25 April was promoted to lieutenant, with the Army rank of captain. He returned to England in May, but was back on the Continent from June 1794 until returning to take up a staff post in December; during this period he served at the Battle of Boxtel. On 6 April 1796 he was made captain of a company in the Guards, with the rank of lieutenant-colonel in the Army, and on 25 September 1803 he was made aide-de-camp to the King, with brevet rank as a colonel. He was deployed to the defence of Sicily against the French in 1806-1807. At Talavera he was wounded in the face and had to return to the United Kingdom;