_Adolph I NASSAU __________+
                                                  | (1307 - 1369) m 1322      
                           _Walram IV NASSAU _____|
                          | (1354 - 1393)         |
                          |                       |_Margaret of HOHENZOLLERN _
                          |                          m 1322                   
 _Adolph II NASSAU _______|
| (1386 - 1426)           |
|                         |                        ___________________________
|                         |                       |                           
|                         |_Bertha of WESTERBURG _|
|                                                 |
|                                                 |___________________________
|                                                                             
|
|--John II NASSAU 
|  (1419 - 1480)
|                                                  _Rudolf VI ZÄHRINGEN _____+
|                                                 | (.... - 1371)             
|                          _Bernard I ZÄHRINGEN _|
|                         | (1364 - 1431) m 1398  |
|                         |                       |_Matilde of SPONHEIM ______
|                         |                                                   
|_Margaret of ZÄHRINGEN _|
  (1403 - 1442)           |
                          |                        ___________________________
                          |                       |                           
                          |_Anna of OETTINGEN ____|
                             m 1398               |
                                                  |___________________________