Arthur Wellesley, 4th Duke of Wellington Arthur Wellesley, 4th Duke of Wellington Arthur Charles Wellesley, 4th Duke of Wellington, (15 March 1849 – 18 June 1934), styled Lord Arthur Wellesley from 1884 to 1900, was a British peer and politician, and a member of the well-known Wellesley family. He joined the military and served in the Household Division. Upon his childless brother's death in 1900, he inherited the family title and estates. Wellesley was born in 1849, the second son of Major-General Lord Charles Wellesley and Augusta Sophia Anne Pierrepont. Wellesley's paternal grandparents included the famous Arthur Wellesley, 1st Duke of Wellington, Catherine Pakenham and, on
Richard Wellesley, 1st Marquess Wellesley Wellesley was appointed ambassador to Spain. He landed at Cádiz just after the Battle of Talavera, and tried unsuccessfully to bring the Spanish government into effective co-operation with his brother, who, through the failure of his allies, had been forced to retreat into Portugal. A few months later, after the duel between George Canning and Robert Stewart, Viscount Castlereagh, and the resignation of both, Wellesley accepted the post of Foreign Secretary in Spencer Perceval's cabinet. Unlike his brother Arthur, he was an eloquent speaker, but was subject to inexplicable "black-outs" when he was apparently unaware of his surroundings. He held