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,
George Plantagenet, 1st Duke of Clarence in the play and his ghost later appears to Gloucester, then already Richard III, and Henry Tudor, the future Henry VII of England, before the Battle of Bosworth Field, cursing his brother and encouraging Henry. Clarence married his wife Isabel Neville in Calais, at that time controlled by England, on 11 July 1469. Together they had four children: George Plantagenet, 1st Duke of Clarence George Plantagenet, Duke of Clarence (21 October 144918 February 1478), KG, was the third surviving son of Richard Plantagenet, 3rd Duke of York, and Cecily Neville, and the brother of English Kings Edward IV and Richard