 He died without issue and the county of Alencon returned to the royal domain.Philip III of France in 1284 responded, through the urging of his wife Mary of Brabant and his uncle Charles of Naples, by launching a war against the Kingdom of Aragon.The war took the name "Aragonese Crusade" from its papal sanction; nevertheless, one historian labelled it "perhaps the most unjust, unnecessary and calamitous enterprise ever undertaken by the Capetian monarchy.