Earl of Salisbury later by Richard Neville "the Kingmaker", upon whose death the title went into abeyance because multiple individuals were entitled to inherit it. Then, in 1472, it was granted to George, Duke of Clarence, who was married to Warwick's eldest daughter. When the Duke of Clarence was executed in 1478 for treason (supposedly by being drowned in a vat of Malmsey wine), the title was forfeit. It was then granted to Edward of Middleham (who was his nephew via the Duke's brother Richard), who died in 1484 at the age of 11. It was restored to two of George of Clarence's
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