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Louis (born 1320, Naples—died May 26, 1362, Naples) was the count of Provence (1347–62), as well as prince of Taranto and Achaia, who by his marriage to Queen Joan I of Naples (1343–82) became king of Naples after a struggle with King Louis I of Hungary. Louis, who is believed to have played a major role in the murder of Andrew of Hungary, Joan’s first husband (September 1345), married Joan in August 1347. When Andrew’s...