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
Alan III, Duke of Brittany Alan III, Duke of Brittany Alan III of Rennes (997–1 October 1040) (French: Alain III de Bretagne) was Count of Rennes and duke of Brittany, by right of succession from 1008 to his death. He was the son of Duke Geoffrey I and Hawise of Normandy. Alan succeeded his father as Duke of Brittany in 1008. Because he was still a minor at his father's death, his mother acted as regent of Brittany while her brother Richard II, Duke of Normandy assumed guardianship over Brittany. In 1018 Alan married Bertha of Blois, daughter of Odo II, Count of Blois and