_John WELF _______________+
                                                            | (1242 - 1277)            
                                   _Otto II WELF ___________|
                                  | (1266 - 1330) m 1288    |
                                  |                         |_Liutgard of SCHAUENBURG _
                                  |                           (.... - 1288)            
 _William II WELF ________________|
| (1300 - 1369)                   |
|                                 |                          _Louis I WITTELSBACH _____+
|                                 |                         | (1229 - 1293)            
|                                 |_Matilda of WITTELSBACH _|
|                                   (1275 - 1319) m 1288    |
|                                                           |_Matilda of HABSBURG _____+
|                                                             (1253 - 1304)            
|
|--Elizabeth of WELF 
|  (.... - 1384)
|                                                            __________________________
|                                                           |                          
|                                  _________________________|
|                                 |                         |
|                                 |                         |__________________________
|                                 |                                                    
|_Hedwig of CALVELAGE-RAVENSBERG _|
  (.... - 1387)                   |
                                  |                          __________________________
                                  |                         |                          
                                  |_________________________|
                                                            |
                                                            |__________________________