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
Richard of York, 3rd Duke of York VII, he became an ancestor to all subsequent English monarchs. Richard of York was born on 21 September 1411, the son of Richard, 3rd Earl of Cambridge, by his wife Anne de Mortimer, the daughter of Roger Mortimer, 4th Earl of March. Anne Mortimer was the great-granddaughter of Lionel, Duke of Clarence, the second surviving son of King Edward III (r. 1327–1377). After the death in 1425 of Anne's childless brother Edmund, the 5th Earl of March, this ancestry supplied her son Richard, of the House of York, with a claim to the English throne that was, under English law,