_Walram IV NASSAU ______+
                                                       | (1354 - 1393)          
                           _Adolph II NASSAU __________|
                          | (1386 - 1426)              |
                          |                            |_Bertha of WESTERBURG __
                          |                                                     
 _John II NASSAU _________|
| (1419 - 1480) m 1437    |
|                         |                             _Bernard I ZÄHRINGEN __+
|                         |                            | (1364 - 1431) m 1398   
|                         |_Margaret of ZÄHRINGEN ____|
|                           (1403 - 1442)              |
|                                                      |_Anna of OETTINGEN _____
|                                                         m 1398                
|
|--John III NASSAU 
|  (1439 - 1480)
|                                                       _John I NASSAU-SIEGEN __+
|                                                      | (1340 - 1416) m 1357   
|                          _Englebert I NASSAU-SIEGEN _|
|                         | (1370 - 1442)              |
|                         |                            |_Margareta of LA MARCK _
|                         |                              (1409 - ....) m 1357   
|_Maria of NASSAU-SIEGEN _|
  (1417 - 1472) m 1437    |
                          |                             ________________________
                          |                            |                        
                          |_Johanna VAN POLANEN _______|
                            (1391 - 1445)              |
                                                       |________________________