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
Richard of York, 3rd Duke of York arguably superior to that of the reigning House of Lancaster, descended from John of Gaunt, the third son of King Edward III. On his father's side, Richard had a claim to the throne in a direct male line of descent from his grandfather Edmund, 1st Duke of York (1341–1402), fourth surviving son of King Edward III and founder of the House of York. This made Richard a prince of blood and member of the ruling dynasty of England, which might have improved his position as contender or possible successor to the throne, even though his mother's descent already gave him