_Stephen II WITTELSBACH _+
                                                   | (1319 - 1375)           
                            _John II WITTELSBACH __|
                           | (1341 - 1397) m 1372  |
                           |                       |_Elisabeth of BARCELONA _+
                           |                         (1310 - 1349)           
 _William III WITTELSBACH _|
| (1375 - 1435)            |
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|                          |                       |                         
|                          |_Catherine of GORIZIA _|
|                            (.... - 1391) m 1372  |
|                                                  |_________________________
|                                                                            
|
|--William WITTELSBACH 
|  (1435 - 1435)
|                                                   _________________________
|                                                  |                         
|                           _______________________|
|                          |                       |
|                          |                       |_________________________
|                          |                                                 
|_Margarethe of LA MARCK __|
  (1416 - 1444)            |
                           |                        _________________________
                           |                       |                         
                           |_______________________|
                                                   |
                                                   |_________________________