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
Crollalanza theory of Shakespeare authorship a fellow Sicilian." In the 2008 novel "Il Manoscritto di Shakespeare", by Domenico Seminerio, a luckless Sicilian schoolteacher finds evidence of Shakespeare's being Sicilian and shows it to a famous writer who fictionalises the material, with comic results. Seminerio includes in his acknowledgements a tribute to Iuvara: "I address affectionate thanks to the late schoolteacher Martino Iuvara, author of the study titled "Shakespeare was an Italian"." However, according to Manlio Bellomo, a professor of law at Catania University, this should not be taken entirely at face value. In Bellomo's own 2013 novel "L'isola di Shakespeare", set on the Aeolian island