_Rupert II NASSAU ___+
                                                 | (.... - 1159)       
                          _Walram I NASSAU ______|
                         | (1146 - 1197)         |
                         |                       |_____________________
                         |                                             
 _Henry II NASSAU _______|
| (1180 - 1247)          |
|                        |                        _____________________
|                        |                       |                     
|                        |_Kunigunde of UNKNOWN _|
|                          (1198 - ....)         |
|                                                |_____________________
|                                                                      
|
|--Irmgard of NASSAU 
|  (.... - 1297)
|                                                 _____________________
|                                                |                     
|                         _______________________|
|                        |                       |
|                        |                       |_____________________
|                        |                                             
|_Matilda of WASSENBERG _|
  (.... - 1247)          |
                         |                        _____________________
                         |                       |                     
                         |_______________________|
                                                 |
                                                 |_____________________