Major General Hon. Sir Frederick Cavendish Ponsonby (6 July 178311 January 1837) was an Anglo-Irish military officer. Early life and education Ponsonby was the second of three sons of Frederick Ponsonby, Viscount Dungannon (who succeeded as the 3rd Earl of Bessborough in 1793) and Henrietta Ponsonby, Countess of Bessborough. He was the brother of John Ponsonby, 4th Earl of Bessborough and William Ponsonby, 1st Baron de Mauley, and his sister was the "notorious" Lady Caroline Lamb, who married the Prime Minister Viscount Melbourne. He was educated at Harrow. Early career Ponsonby joined the army as a cornet in January 1800, serving in the 10th Light Dragoons. He was promoted lieutenant in June 1800 and Captain on 20 August 1803. He exchanged to the 60th Regiment of Foot in April 1806 and served on the staff of the Duke of Bedford, then Lord Lieutenant of Ireland, and briefly for his successor, the Duke of Richmond. Promoted major on 25 June 1807, he went into the 23rd Light Dragoons on 6 August 1809 and went with them to serve in the Peninsular War. He fought well at Talavera. He was promoted lieutenant colonel on 15 March 1810, and served as assistant adjutant-general at Buçaco and Barrosa, directing a successful charge by a squadron of the 2nd Regiment of Hussars (KGL) against the French dragoons. He was given command of the 12th Light Dragoons on 11 June 1811. After the fall of Badajoz, he distinguished himself in the battle of Villagarcia (or Llerena) on 11 April 1812, temporarily commanding Anson's brigade. Ordered by Sir Stapleton Cotton to detain a superior force of French cavalry under Charles Lallemand, he successfully delayed them until reinforcements could arrive to flank the French and pursue them into Llerena. He led the 12th Light Dragoons to disperse some of the broken French infantry after the Battle of Salamanca, and was wounded while covering the withdrawal from Burgos. At Vitoria, his regiment was part of the force, under Sir Thomas Graham, that blocked the French retreat towards Bayonne. He took part in the Battle of the Pyrenees and the fighting that followed in the south of France. In Paris at the time of the abdication of Napoleon as Emperor of the French, he rode through the night to bring the news to Wellington, who famously, at an inn after defeating the French at the Battle of Toulouse, snapped his