_____________________
                                                            |                     
                               _Dudo NASSAU ________________|
                              | (1060 - 1124)               |
                              |                             |_____________________
                              |                                                   
 _Rupert I NASSAU ____________|
| (.... - 1154) m 1135        |
|                             |                              _____________________
|                             |                             |                     
|                             |_____________________________|
|                                                           |
|                                                           |_____________________
|                                                                                 
|
|--Arnold II NASSAU 
|  (.... - 1158)
|                                                            _Henry I ARDENNES ___+
|                                                           | (1059 - 1119)       
|                              _Waleran II ARDENNES-VERDUN _|
|                             | (1085 - 1139) m 1107        |
|                             |                             |_____________________
|                             |                                                   
|_Beatrix of ARDENNES-VERDUN _|
  (.... - 1164) m 1135        |
                              |                              _____________________
                              |                             |                     
                              |_Judith of WASSENBERG _______|
                                (1087 - 1151) m 1107        |
                                                            |_____________________