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
Malvasia span of only a few years after vintage. In the past, the names "Malvasia" and "Malmsey" occurred interchangeably. , however, "Malvasia" generally refers to unfortified white table or dessert wines produced from this grape, while "Malmsey" refers to a sweet variety of Madeira wine, though this is also sometimes called "Malvasia" or "Malvazia". Further confusion results from the fact that, in the recent past, the term "Malmsey" referred to any very sweet Madeira wine, regardless of the grape variety involved. This resulted from the devastation of Madeiran vineyards by phylloxera in the late 19th century, which greatly reduced the production