_John II WITTELSBACH _________+
                                                 | (1341 - 1397) m 1372         
                           _Ernest WITTELSBACH __|
                          | (1373 - 1438)        |
                          |                      |_Catherine of GORIZIA ________
                          |                        (.... - 1391) m 1372         
 _Albert III WITTELSBACH _|
| (1401 - 1459)           |
|                         |                       _Bernabò VISCONTI ___________
|                         |                      | (1323 - 1385)                
|                         |_Elisabetta VISCONTI _|
|                           (1374 - 1431)        |
|                                                |_Beatrice Regina della SCALA _
|                                                  (1331 - 1384)                
|
|--Sigismund WITTELSBACH 
|  (1439 - 1500)
|                                                 _Albert I WELF _______________+
|                                                | (1339 - 1383)                
|                          _Eric I WELF _________|
|                         | (1383 - 1427)        |
|                         |                      |_Agnes I of WELF _____________+
|                         |                        (.... - 1410)                
|_Anna of WELF ___________|
  (1414 - 1474)           |
                          |                       _Otto I WELF _________________+
                          |                      | (1330 - 1394)                
                          |_Elisabeth of WELF ___|
                                                 |
                                                 |_Margaret of JÜLICH _________