_Giselbert I ARDENNES-LUXEMBOURG _+
                                                                     | (1007 - 1059)                    
                                      _Conrad I ARDENNES-LUXEMBOURG _|
                                     | (1040 - 1086) m 1075          |
                                     |                               |__________________________________
                                     |                                                                  
 _William I ARDENNES-LUXEMBOURG _____|
| (1081 - 1131) m 1105               |
|                                    |                                _William VII POITIERS ____________+
|                                    |                               | (1023 - 1058)                    
|                                    |_Clementia of POITIERS ________|
|                                      (1050 - 1141) m 1075          |
|                                                                    |_Ermesinde of LONGWY _____________
|                                                                                                       
|
|--William ARDENNES-LUXEMBOURG 
|  (1120 - 1158)
|                                                                     __________________________________
|                                                                    |                                  
|                                     _______________________________|
|                                    |                               |
|                                    |                               |__________________________________
|                                    |                                                                  
|_Mathilde or Luitgarde of NORTHEIM _|
   m 1105                            |
                                     |                                __________________________________
                                     |                               |                                  
                                     |_______________________________|
                                                                     |
                                                                     |__________________________________