Arthur Charles Valerian Wellesley, 9th Duke of Wellington, 9th Prince of Waterloo, 10th Duke of Ciudad Rodrigo, 9th Duke of Victoria, 9th Marquis of Torres Vedras GE, OBE, DL, styled Earl of Mornington between 1945 and 1972 and Marquess of Douro between 1972 and 2014, is a British peer and politician. Wikipedia