Malvasia Malmsey was one of the three major wines exported from Greece in medieval times. (For other examples, see Rumney wine and Cretan wine). It is alleged that when Edward IV of England convicted his brother, George Plantagenet, 1st Duke of Clarence, of high treason, his private execution consisted of being "drowned in a butt of Malmsey wine," which is dramatized in Shakespeare's "Richard III". Both Monemvasia and Candia have lent their names to modern grape varieties. In Greece, there is a variety known as Monemvasia, evidently named after the port, though now grown primarily in the Cyclades. In western Europe,
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