_Dudo NASSAU ________________
                                                    | (.... - 1124)               
                       _Rupert I NASSAU ____________|
                      | (.... - 1154) m 1135        |
                      |                             |_____________________________
                      |                                                           
 _Arnold II NASSAU ___|
| (.... - 1158)       |
|                     |                              _Waleran II ARDENNES-VERDUN _+
|                     |                             | (1085 - 1139) m 1107        
|                     |_Beatrix of ARDENNES-VERDUN _|
|                       (.... - 1164) m 1135        |
|                                                   |_Judith of WASSENBERG _______
|                                                     (1087 - 1151) m 1107        
|
|--Rupert III NASSAU 
|  (.... - 1191)
|                                                    _____________________________
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