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
Rumney wine not a "fortified" wine in the modern sense, rather a "cooked" wine ("vin cuit") to which boiled-down must (grape syrup) was added. Rumney was exported from Methoni in the southern Peloponnese (one English source calls it "Rompney of Modonn") and perhaps also from Patras and other ports. Although modern methods are different, the Mavrodafni of Patras might be regarded as a modern equivalent of medieval Rumney wine. At the same period, Monemvasia, on the eastern coast of the Peloponnese, was the centre for the export of Malmsey wine; Cretan wine was the third of the medieval trio of Greek wines