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 for many years with Hyacinthe-Gabrielle Roland, an actress at the Palais Royal. She had three sons and two daughters by Wellesley before he married her on 29 November 1794. He moved her to London, where Hyacinthe was generally miserable, as she never learned English and she was scorned by high society: Lady Caroline Lamb was warned by her mother-in-law, Elizabeth Milbanke, a noted judge of what was socially acceptable, that no respectable woman could afford to be seen in Hyacinthe's society. Their children were: Through his eldest daughter Lady Charles Bentinck, Wellesley is a great-great-great grandfather to Queen Elizabeth II.