Arthur Wellesley, Earl of Mornington Arthur Wellesley, Earl of Mornington Arthur Gerald Wellesley, Earl of Mornington (born 31 January 1978), also known as simply Arthur Mornington, is the elder son of Charles Wellesley, 9th Duke of Wellington. Since 2014, following the succession of his father as Duke of Wellington, he is entitled to the courtesy title of Marquess of Douro but continues to use the title Earl of Mornington. The Wellesleys are an aristocratic Anglo-Irish family. Through his mother, Antonia von Preussen, Duchess of Wellington, he is a great-great-grandson of Kaiser Wilhelm II. As a descendant of Queen Victoria, he is eligible to succeed to
Richard Wellesley, 6th Earl Cowley Richard Wellesley, 6th Earl Cowley Richard Francis Wellesley, 6th Earl Cowley (12 June 1946–13 December 1975), known as Viscount Dangan from 1962 to 1968, was a British Conservative politician. Cowley was the only son of Denis Arthur Wellesley, 5th Earl Cowley, and his first wife Elizabeth Anne (née Papillon), and was educated at Eton. He succeeded in the earldom on his father's early death in 1968 and took his seat on the Conservative benches in the House of Lords. He served briefly as a Lord-in-waiting (government whip in the House of Lords) under Edward Heath from January to March 1974.