_Alfonso IX IVREA ____+ | (1171 - 1230) _Ferdinand III IVREA _______| | (1199 - 1252) m 1219 | | |_Berengaria of IVREA _+ | (1179 - 1246) _Alfonso X IVREA ______| | (1221 - 1284) | | | _Philip HOHENSTAUFEN _+ | | | (1177 - 1208) | |_Elisabeth of HOHENSTAUFEN _| | (1204 - 1235) m 1219 | | |_Irene of ANGELOS ____+ | (1181 - 1208) | |--Ferdinand DE LA CERDA | (1255 - 1275) | ______________________ | | | ____________________________| | | | | | |______________________ | | |_Violant of BARCELONA _| (1236 - 1301) | | ______________________ | | |____________________________| | |______________________