​JOANNA I. (c. 1327-1382), queen of Naples, was the daughter of Charles duke of Calabria (d. 1328), and became sovereign of Naples in succession to her grandfather King Robert in 1343. Her first husband was Andrew, son of Charles Robert, king of Hungary, who like the queen herself was a member of the house of Anjou. In 1345 Andrew was assassinated at Aversa, possibly with his wife's connivance, and at once joanna married Louis, son of Philip prince of Taranto. King Louis of Hungary then came to Naples to avenge his brother's death, and the queen took refuge in Provence—which came under her rule at the same time as Naples-purchasing pardon from Pope Clement VI. by selling to him the town of Avignon, then part of her dominions. Having returned to Naples in 13 52 after the departure of Louis, Joanna lost her second husband in 1362, and married James, king of