_William WELF ________+ | (1184 - 1213) _Otto I WELF ________| | (1204 - 1252) m 1228| | |_Helena of ESTRIDSEN _+ | (1180 - 1233) _Albert I WELF _________| | (1236 - 1279) | | | _Albert II ASCANIA ___+ | | | (1177 - 1219) m 1205 | |_Matilda of ASCANIA _| | (1210 - 1261) m 1228| | |_Matilda of WETTIN ___+ | (1185 - 1225) m 1205 | |--Albert II WELF | (1268 - 1318) | ______________________ | | | _____________________| | | | | | |______________________ | | |_Adelheid of ALERAMICI _| (1242 - 1285) | | ______________________ | | |_____________________| | |______________________