_Henry I REGINAR ______+
                                            | (1165 - 1235)         
                       _Henry II REGINAR ___|
                      | (1207 - 1247)       |
                      |                     |_Matilda of METZ ______+
                      |                       (1170 - 1210)         
 _Henry I HESSE ______|
| (1244 - 1308) m 1263|
|                     |                      _Louis IV LUDOVING ____+
|                     |                     | (1200 - 1227)         
|                     |_Sophie of LUDOVING _|
|                       (1223 - 1275)       |
|                                           |_Elisabeth of ÁRPÁD _+
|                                             (1207 - 1231)         
|
|--Henry HESSE 
|  (1265 - 1298)
|                                            _William WELF _________+
|                                           | (1184 - 1213)         
|                      _Otto I WELF ________|
|                     | (1204 - 1252) m 1228|
|                     |                     |_Helena of ESTRIDSEN __+
|                     |                       (1180 - 1233)         
|_Adelaide of WELF ___|
  (.... - 1274) m 1263|
                      |                      _Albert II ASCANIA ____+
                      |                     | (1177 - 1219) m 1205  
                      |_Matilda of ASCANIA _|
                        (1210 - 1261) m 1228|
                                            |_Matilda of WETTIN ____+
                                              (1185 - 1225) m 1205