Duke of Wellington (title) Duke of Wellington (title) Duke of Wellington is a title in the Peerage of the United Kingdom. It derived from Wellington in Somerset, and was created for Arthur Wellesley, 1st Marquess of Wellington (born The Hon. Arthur Wesley) (1769–1852), the Anglo-Irish Army leader who is distinguished for leading the decisive victory with Gebhard Leberecht von Blücher over Napoleon Bonaparte's forces at Waterloo in Brabant (now Walloon Brabant, Belgium); Wellesley later served twice as British prime minister. The first duke's father was created the Earl of Mornington and their male-line ancestors were wealthy agricultural and urban landowners in both countries, among
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