 As late as the next year, however, Walter of Foucherolles was still commanding his vessels in the Argolid to remain loyal to Joanna and the young Walter.By constant petition to the King of Naples, the King of France, and the Pope, Joanna kept her claim to Athens alive for her son until he was old enough to campaign for his rights in the Aegean.In January 1321, Philip V of France mediated the suit brought against her by her own son, who was suing for the payment of some of his father's great debt.