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
Duke of Clarence Andrews and of Clarence and Avondale, were later created for British royal princes. The title also took the form of an earldom for Queen Victoria's son Prince Leopold, Duke of Albany, and his son Prince Charles Edward, the Clarence earldom being a subsidiary title. The title is said to originate from the town of Clare, Suffolk, which was owned by the first Duke of Clarence, Lionel of Antwerp. His wife, Elizabeth, 4th Countess of Ulster, was a direct descendant of the previous owners, the de Clares, and the Manor of Clare was among the lands which she brought to her