Malvasia companies occasionally use the name "Malvasia" or "Malvazia" for non-vintage Madeiras, especially those primarily marketed to Portuguese-speaking countries. English historical tradition associates Malmsey wine with the death of George Plantagenet, 1st Duke of Clarence, brother of King Edward IV of England. Following his conviction for treason, he was "privately executed" at the Tower on 18 February 1478, by tradition in the Bowyer Tower, and soon after the event, the rumour gained ground that he was drowned in a butt of Malmsey wine. Malvasia Malvasia (, also known as Malvazia) is a group of wine grape varieties grown historically in the
Archibald Butt much that there was little room for anyone else. Even Taft thought this explanation was true. At the time of Butt's death, rumors swirled that he was about to lose his lifelong bachelor status. News accounts said he had a teenage mistress who either was carrying their unborn child or who had already given birth to a baby, or that Butt was engaged to a Colorado woman. None of these rumors were true. Some speculation exists that Butt was a homosexual. Historian Carl Sferrazza Anthony has written that Taft's explanation only "vaguely addressed" the real reason Butt failed to marry.