_Ferdinand II IVREA _________+ | (1137 - 1187) m 1165 _Alfonso IX IVREA ____| | (1171 - 1230) | | |_Urraca of BURGUNDY _________+ | (1148 - 1211) m 1165 _Ferdinand III IVREA _______| | (1199 - 1252) m 1219 | | | _Alfonso VIII IVREA _________+ | | | (1155 - 1214) | |_Berengaria of IVREA _| | (1179 - 1246) | | |_Eleanor of PLANTAGENET _____+ | (1161 - 1214) | |--Henry IVREA | (1229 - 1303) | _Frederick III HOHENSTAUFEN _+ | | (1122 - 1190) | _Philip HOHENSTAUFEN _| | | (1177 - 1208) | | | |_Beatrice of BOURGOGNE ______ | | (1143 - 1184) |_Elisabeth of HOHENSTAUFEN _| (1204 - 1235) m 1219 | | _Isaac II ANGELOS ___________+ | | (1156 - 1203) |_Irene of ANGELOS ____| (1181 - 1208) | |_____________________________