_Eric I WELF ________+
                                                           | (1383 - 1427)       
                                    _Albert II WELF _______|
                                   | (1419 - 1485)         |
                                   |                       |_Elisabeth of WELF __+
                                   |                                             
 _Philip I WELF ___________________|
| (1476 - 1551)                    |
|                                  |                        _____________________
|                                  |                       |                     
|                                  |_Elisabeth of WALDECK _|
|                                                          |
|                                                          |_____________________
|                                                                                
|
|--Catherine of WELF 
|  (1524 - 1580)
|                                                           _____________________
|                                                          |                     
|                                   _______________________|
|                                  |                       |
|                                  |                       |_____________________
|                                  |                                             
|_Catherine of MANSFELD-VORDERORT _|
  (1501 - 1535)                    |
                                   |                        _____________________
                                   |                       |                     
                                   |_______________________|
                                                           |
                                                           |_____________________