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
George Plantagenet, 1st Duke of Clarence George Plantagenet, 1st Duke of Clarence George Plantagenet, Duke of Clarence (21 October 144918 February 1478), KG, was the third surviving son of Richard Plantagenet, 3rd Duke of York, and Cecily Neville, and the brother of English Kings Edward IV and Richard III. He played an important role in the dynastic struggle between rival factions of the Plantagenets known as the Wars of the Roses. Though a member of the House of York, he switched sides to support the Lancastrians, before reverting to the Yorkists. He was later convicted of treason against his brother, Edward IV, and was executed (allegedly