1258: the king renounces the Roussillon and Catalonia; in exchange the king of Aragon renounces Provence and Languedoc (Treaty of Corbeil (1258)) 1259: seigneuries of Domfront and of Tinchebray acquired.
1258: o rei renuncia ao Rosellón e Cataluña; a cambio o rei de Aragón renuncia a Provenza e Languedoc (Tratado de Corbeil) 1259: adquire os señoríos de Domfront e de Tinchebray.