Joanna was born at Zara (present-day Zadar, Croatia), on 25 June 1371, as the daughter of Charles III of Naples and Margaret of Durazzo.On 10 August 1415, she married a second time, to James II, Count of La Marche,[1] in order to gain the support of the French monarchy.In an attempt to assume complete power, James imprisoned Joanna in her own apartments in the royal palace; however, she was later released by the nobles.In response, the Pope called in Louis III of Anjou, son of the rival of King Ladislaus and himself still a pretender to the Neapolitan throne.In 1420, Louis invaded Campania, but the Pope, trying to gain personal advantage from the menace posed to Joanna, called the ambassadors of the two parties to Florence.Joanna rejected the ambiguous papal proposal calling for help from the brother of her erstwhile betrothed, the powerful King Alfonso V of Aragon, to whom she promised the hereditary title to Naples.