_Albert I WELF _______+
                                              | (1339 - 1383)        
                         _Eric I WELF ________|
                        | (1383 - 1427)       |
                        |                     |_Agnes I of WELF _____+
                        |                       (.... - 1410)        
 _Albert II WELF _______|
| (1419 - 1485)         |
|                       |                      _Otto I WELF _________+
|                       |                     | (1330 - 1394)        
|                       |_Elisabeth of WELF __|
|                                             |
|                                             |_Margaret of JÜLICH _
|                                                                    
|
|--Philip I WELF 
|  (1476 - 1551)
|                                              ______________________
|                                             |                      
|                        _____________________|
|                       |                     |
|                       |                     |______________________
|                       |                                            
|_Elisabeth of WALDECK _|
                        |
                        |                      ______________________
                        |                     |                      
                        |_____________________|
                                              |
                                              |______________________