Карл I Анжуйский
Philip, only 25 years old and stricken with dysentery, was proclaimed king in Tunis. His uncle, Charles I of Naples, negotiated with Muhammad I al-Mustansir, Hafsid Caliph of Tunis. A treaty was concluded 5 November 1270 between the kings of France, Sicily and Navarre and the Caliph of Tunis.