_Philipp I NASSAU-WEILBURG _+
                                                               | (1368 - 1429)              
                                  _John II NASSAU-SAARBRUCKEN _|
                                 | (1423 - 1472) m 1470        |
                                 |                             |_Elisabeth of LORRAINE _____+
                                 |                               (1395 - 1455)              
 _John Louis NASSAU _____________|
| (1472 - 1545)                  |
|                                |                              _Louis I WÜRTTEMBERG ______+
|                                |                             | (1412 - 1450)              
|                                |_Elisabeth of WÜRTTEMBERG __|
|                                  (1447 - 1505) m 1470        |
|                                                              |_Mechthild of WITTELSBACH __+
|                                                                (1418 - 1482)              
|
|--John Louis NASSAU 
|  (1524 - 1542)
|                                                               ____________________________
|                                                              |                            
|                                 _____________________________|
|                                |                             |
|                                |                             |____________________________
|                                |                                                          
|_Catherine of MOERS-SAARWERDEN _|
  (1491 - 1547)                  |
                                 |                              ____________________________
                                 |                             |                            
                                 |_____________________________|
                                                               |
                                                               |____________________________