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,
Lionel of Antwerp, 1st Duke of Clarence English royal family and was the mother of Richard Plantagenet, 3rd Duke of York. Even though Richard was a descendant in the male line of Edward III, the House of York based its claim to the English throne on descent through the female line from Lionel to establish a lasting blood line. (Edward's first-born son, the Black Prince, had no legitimate descendants past his two sons Edward of Angoulême and King Richard II.) Lionel was the ancestor of Kings Edward IV, Edward V, Richard III and all later British monarchs except for Henry VII, whose wife Elizabeth of York was