_Otto I WELF ______________+
                                                     | (1204 - 1252) m 1228      
                           _John WELF _______________|
                          | (1242 - 1277)            |
                          |                          |_Matilda of ASCANIA _______+
                          |                            (1210 - 1261) m 1228      
 _Otto II WELF ___________|
| (1266 - 1330) m 1288    |
|                         |                           ___________________________
|                         |                          |                           
|                         |_Liutgard of SCHAUENBURG _|
|                           (.... - 1288)            |
|                                                    |___________________________
|                                                                                
|
|--Otto III WELF 
|  (1296 - 1352)
|                                                     _Otto II WITTELSBACH ______+
|                                                    | (1206 - 1253)             
|                          _Louis I WITTELSBACH _____|
|                         | (1229 - 1293)            |
|                         |                          |_Agnes of WELF ____________+
|                         |                            (1201 - 1267)             
|_Matilda of WITTELSBACH _|
  (1275 - 1319) m 1288    |
                          |                           _Rudolf I HABSBURG ________+
                          |                          | (1218 - 1291)             
                          |_Matilda of HABSBURG _____|
                            (1253 - 1304)            |
                                                     |_Gertrude of HOHENZOLLERN _+
                                                       (1225 - 1280)