[citation needed] It was here she was betrothed to her cousin Charles Martel, Duke of Calabria, son of Queen Joanna.
[citation needed] In 1365 aged twenty one, Joanna married her first husband Louis of Navarre, who became Duke of Durazzo in right of his wife.
[5][6] In 1372, Louis brought over the Navarrese Company of mercenaries, who had fought with him during the war in France, to assist them in taking Durazzo.
Many documents survive telling us of the complex nature of the military planning and engineering which was undertaken to ensure success.
[18] Joanna kept control of Durrës from 1376 with her new husband Robert IV of Artois, Count of Eu, until Karl Thopia regained the city in 1383.