House of York Warwick himself changed sides, and supported Margaret of Anjou and the king's jealous brother George, Duke of Clarence, in briefly restoring Henry in 1470-71. However, Edward regained his throne, and the House of Lancaster was wiped out with the death of Henry VI himself, in the Tower of London in 1471. In 1478, the continued trouble caused by Clarence led to his execution in the Tower of London; popularly he is thought to have been drowned in a butt of malmsey wine. On Edward's death in 1483, the crown passed to his twelve-year-old son Edward. Edward IV's younger brother Richard,
Duke of Beaufort Gaunt and Edward III. This statement was challenged after the analysis of the Y chromosomal DNA of the remains of King Richard III. Most living male heirs of The 5th Duke of Beaufort were found to carry a relatively common Y chromosome type, which is different from the rare lineage found in Richard III remains. The instance of female infidelity could have occurred anywhere in the numerous generations separating Richard III from the 5th Duke of Beaufort . Beaufort Castle was a possession of John of Gaunt, and the surname Beaufort was given to Gaunt's four legitimised children by his