Arthur Wellesley, 5th Duke of Wellington Arthur Wellesley, 5th Duke of Wellington Arthur Charles Wellesley, 5th Duke of Wellington, (9 June 1876 – 11 December 1941), known as Arthur Wellesley from 1876 to 1900, and as Marquess of Douro from 1900 to 1934, was a British nobleman and landowner. Wellesley was the son of Lord Arthur Charles Wellesley and his wife Kathleen Bulkeley Williams. His father inherited the title and vast Wellington estates on his older brother's death in 1900, and became the 4th Duke of Wellington. Wellesley attended Eton between 1890 and 1895, and later attended Trinity College at Cambridge. He was commissioned as a
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