Henry Wellesley, 1st Baron Cowley Henry Wellesley, 1st Baron Cowley Henry Wellesley, 1st Baron Cowley GCB (20 January 1773 – 27 April 1847) was a British diplomat and politician. Wellesley was the fifth and youngest son of Garret Wellesley, 1st Earl of Mornington, by the Honourable Anne Hill-Trevor, eldest daughter of Arthur Hill-Trevor, 1st Viscount Dungannon. He was the younger brother of Arthur Wellesley, 1st Duke of Wellington, Richard Wellesley, 1st Marquess Wellesley and William Wellesley-Pole, 3rd Earl of Mornington. He was educated at Eton and at the court of the Duke of Brunswick. He purchased an Ensigncy in the 40th Foot in 1790. Wellesley's
Arthur Wellesley, 4th Duke of Wellington member of the Marlborough Club, a gentleman's club. The Duchess died on 24 June 1927 at Apsley House and was interred on 28 June at Stratfield Saye. Wellesley died at Ewhurst Park, Basingstoke, Hampshire, on 18 June (Waterloo Day) 1934, aged eighty-five, and was buried three days later at Stratfield Saye House, Basingstoke, Hampshire, the ancestral home of the Dukes of Wellington. His son, Arthur, succeeded him to the Wellesley family estates and titles. The Duke received the Knight Grand Cross of the Royal Victorian Order (GCVO) on 1 May 1902. He was appointed a Knight of the Order of