_Frederick I HOHENSTAUFEN _+ | (1050 - 1105) _Frederick II HOHENSTAUFEN _| | (1090 - 1147) | | |_Agnes of SALIAN __________+ | (1072 - 1143) _Frederick III HOHENSTAUFEN _| | (1122 - 1190) | | | _Henry IX WELF ____________+ | | | (1075 - 1126) | |_Judith of WELF ____________| | (1100 - 1130) | | |_Wulfhilde of BILLUNG _____+ | (1072 - 1126) | |--Conrad II HOHENSTAUFEN | (1172 - 1196) | ___________________________ | | | ____________________________| | | | | | |___________________________ | | |_Beatrice of BOURGOGNE ______| (1143 - 1184) | | ___________________________ | | |____________________________| | |___________________________