_Frederick I ARDENNES-LUXEMBOURG _+
                                                                   | (0965 - 1019)                    
                                 _Giselbert I ARDENNES-LUXEMBOURG _|
                                | (1007 - 1059)                    |
                                |                                  |_Irmtrud of CONRADINE ____________+
                                |                                    (0978 - 1020)                    
 _Conrad I ARDENNES-LUXEMBOURG _|
| (1040 - 1086) m 1075          |
|                               |                                   __________________________________
|                               |                                  |                                  
|                               |__________________________________|
|                                                                  |
|                                                                  |__________________________________
|                                                                                                     
|
|--William I ARDENNES-LUXEMBOURG 
|  (1081 - 1131)
|                                                                   _William V POITIERS ______________+
|                                                                  | (0969 - 1029)                    
|                                _William VII POITIERS ____________|
|                               | (1023 - 1058)                    |
|                               |                                  |_Agnes of IVREA __________________+
|                               |                                    (.... - 1068)                    
|_Clementia of POITIERS ________|
  (1050 - 1141) m 1075          |
                                |                                   __________________________________
                                |                                  |                                  
                                |_Ermesinde of LONGWY _____________|
                                                                   |
                                                                   |__________________________________