_Henry II NASSAU _______+
                                                             | (1180 - 1247)          
                                _Walram II NASSAU ___________|
                               | (1220 - 1275)               |
                               |                             |_Matilda of WASSENBERG _
                               |                               (.... - 1247)          
 _Adolph NASSAU _______________|
| (1255 - 1298)                |
|                              |                              ________________________
|                              |                             |                        
|                              |_Adelheid of KATZENELNBOGEN _|
|                                (.... - 1287)               |
|                                                            |________________________
|                                                                                     
|
|--Robert NASSAU 
|  (.... - 1304)
|                                                             ________________________
|                                                            |                        
|                               _____________________________|
|                              |                             |
|                              |                             |________________________
|                              |                                                      
|_Imagina of ISENBURG-LIMBURG _|
  (1255 - 1313)                |
                               |                              ________________________
                               |                             |                        
                               |_____________________________|
                                                             |
                                                             |________________________