Arthur Wellesley’s Childhood Born into aristocracy on May 1, 1769, his mother was Anne, Countess of Mornington, and his father was Garret Wesley, 1st Earl of Mornington.

Few high society scions, though, have mastered the art of going incognito quite like Arthur Mornington, the future Duke of Wellington and current Marquess of Duoro. So under the radar is the Wellesley ...