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 in the play and his ghost later appears to Gloucester, then already Richard III, and Henry Tudor, the future Henry VII of England, before the Battle of Bosworth Field, cursing his brother and encouraging Henry. Clarence married his wife Isabel Neville in Calais, at that time controlled by England, on 11 July 1469. Together they had four children: 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