William Pole-Tylney-Long-Wellesley, 4th Earl of Mornington Anglo-Irish nobleman (1788–1857) Parents Katherine Wellesley-Pole, Countess of Mornington William Wellesley-Pole, 3rd Earl of Mornington Children William Pole-Tylney-Long-Wellesley, 5th Earl of Mornington James FitzRoy Henry William Pole-Tylney-Long-Wellesley Lady Victoria Catherine Mary Pole-Tylney-Long-Wellesley Siblings Lady Emily Wellesley-Pole Mary Wellesley-Pole Priscilla Fane, Countess of Westmorland Partners Catherine Tylney-Long Helena Paterson
