Duke of Clarence of King Edward IV, in 1461. The Duke forfeited his title in 1478, after he had been convicted of treason against his brother. He allegedly met his end (according to William Shakespeare) by being drowned in a butt of Malmsey. A fourth creation in England was suggested and planned to take effect; the title of Duke of Clarence was going to be given to Lord Guilford Dudley, husband of Lady Jane Grey, upon her coronation, as she declined to make her husband king consort. However, she was deposed before this could take effect. Two double dukedoms, of Clarence and St
Edmund de la Pole, 3rd Duke of Suffolk Edmund de la Pole, 3rd Duke of Suffolk Edmund de la Pole, 3rd Duke of Suffolk, 6th Earl of Suffolk, (c. 1471 – 30 April 1513), Duke of Suffolk, was a son of John de la Pole, 2nd Duke of Suffolk and his wife Elizabeth of York. His mother was the second surviving daughter of Richard Plantagenet, 3rd Duke of York, and Cecily Neville. She was also a younger sister to Edward IV of England and Edmund, Earl of Rutland, as well as an older sister to Margaret of York, George Plantagenet, 1st Duke of Clarence, and Richard III of