George Plantagenet, 1st Duke of Clarence not present – Edward himself prosecuted his brother, and demanded that Parliament pass a Bill of Attainder against his brother, declaring that he was guilty of "unnatural, loathly treasons" which were aggravated by the fact that Clarence was his brother, who, if anyone did, owed him loyalty and love. Following his conviction, he was "privately executed" at the Tower on 18 February 1478, by tradition in the Bowyer Tower, and soon after the event, the rumour gained ground that he had been drowned in a butt of Malmsey wine. Richard III biographer Paul Murray Kendall believes that the reason that
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