King de France (1270-1285). Son and successor of Louis IX (Saint Louis) and Marguerite of Provence, he inherited, of his uncle Alphonse of Poitiers, the county of Toulouse, Poitou and Auvergne (1271), and still increases the field of the counties of Nemours (1274), of Alençon (1283), the Pole and Chartres (1284).

But it was let involve, to support the sicilian policy of his uncle Charles of Anjou, in a vain forwarding against Aragon, with the return of which it died victim of an epidemic. It had yielded the comtat Venaissin to the pope Gregoire X in 1274.