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 ultimately failed and Warwick was killed in battle of Barnet April 1471. The re-instated King Edward IV restored his brother Clarence to royal favour by making him Great Chamberlain of England. As his father-in-law had died, Clarence became "jure uxoris" Earl of Warwick, but did not inherit the entire Warwick estate as his younger brother, Richard, Duke of Gloucester, had married () Anne Neville, who had been widowed in 1471. Edward intervened and eventually divided the estates between his brothers. Clarence was created first Earl of Warwick on 25 March 1472. In 1475 Clarence's wife Isabel gave birth to a