_Albert NASSAU-WEILBURG __+
                                                                            | (1537 - 1593)            
                                               _Louis II NASSAU-WEILBURG ___|
                                              | (1565 - 1627)               |
                                              |                             |_Anna of NASSAU-SIEGEN ___+
                                              |                               (1541 - 1615)            
 _Ernest Casimir NASSAU-WEILBURG _____________|
| (1607 - 1655) m 1634                        |
|                                             |                              _William IV HESSE-KASSEL _+
|                                             |                             | (1532 - 1592) m 1565     
|                                             |_Anna Maria of HESSE-KASSEL _|
|                                               (1566 - 1626)               |
|                                                                           |_Sabine of WÜRTTEMBERG __+
|                                                                             (1549 - 1581) m 1565     
|
|--William Louis NASSAU-WEILBURG 
|  (1634 - 1636)
|                                                                            __________________________
|                                                                           |                          
|                                              _____________________________|
|                                             |                             |
|                                             |                             |__________________________
|                                             |                                                        
|_Anna Maria of SAYN-WITTGENSTEIN-HACHENBURG _|
  (1610 - 1656) m 1634                        |
                                              |                              __________________________
                                              |                             |                          
                                              |_____________________________|
                                                                            |
                                                                            |__________________________