_William IV WELF __________+
                                                    | (1425 - 1503)             
                          _Henry IV WELF ___________|
                         | (1463 - 1514)            |
                         |                          |_Elizabeth of STOLBERG ____
                         |                            (1438 - 1520)             
 _Henry V WELF __________|
| (1489 - 1568)          |
|                        |                           _Eric II GRIFFIN __________+
|                        |                          | (1418 - 1474)             
|                        |_Catherine of GRIFFIN ____|
|                          (1465 - 1526)            |
|                                                   |_Sophia of GRIFFIN ________+
|                                                     (1435 - 1497)             
|
|--Mary of WELF 
|  (1521 - 1539)
|                                                    _Ulrich V WÜRTTEMBERG ____+
|                                                   | (1413 - 1480) m 1444      
|                         _Henry WÜRTTEMBERG ______|
|                        | (1448 - 1519) m 1488     |
|                        |                          |_Elisabeth of WITTELSBACH _+
|                        |                            (1419 - 1450) m 1444      
|_Maria of WÜRTTEMBERG _|
  (1496 - 1541)          |
                         |                           ___________________________
                         |                          |                           
                         |_Eva of SALM-BADENWEILER _|
                           (1468 - 1521) m 1488     |
                                                    |___________________________