_John I NASSAU ______+
                                                  | (.... - 1473)       
                             _Henry IV NASSAU ____|
                            |                     |
                            |                     |_____________________
                            |                                           
 _John II NASSAU ___________|
| (.... - 1513)             |
|                           |                      _____________________
|                           |                     |                     
|                           |_Eva of SAYN ________|
|                                                 |
|                                                 |_____________________
|                                                                       
|
|--John III NASSAU 
|  (1490 - 1561)
|                                                  _____________________
|                                                 |                     
|                            _____________________|
|                           |                     |
|                           |                     |_____________________
|                           |                                           
|_Maria of SOLMS-BRAUNFELS _|
  (1471 - 1505)             |
                            |                      _____________________
                            |                     |                     
                            |_____________________|
                                                  |
                                                  |_____________________