_________________________
                                                       |                         
                              _Rotrou of NOGENT _______|
                             |                         |
                             |                         |_________________________
                             |                                                   
 _Fulk of PERCHE ____________|
| (0960 - 1031)              |
|                            |                          _________________________
|                            |                         |                         
|                            |_________________________|
|                                                      |
|                                                      |_________________________
|                                                                                
|
|--Geoffrey II CHÂTEAUDUN 
|  (.... - 1040)
|                                                       _Geoffrey I CHÂTEAUDUN _
|                                                      | (0925 - 0985)           
|                             _Hugh I CHÂTEAUDUN _____|
|                            | (.... - 1003)           |
|                            |                         |_Ermengarde of UNKNOWN __
|                            |                                                   
|_Mélisende of CHÂTEAUDUN _|
  (0974 - 1035)              |
                             |                          _Hervé I RORGONID ______
                             |                         | (.... - 0955)           
                             |_HIldegarde of RORGONID _|
                               (0925 - 1005)           |
                                                       |_Melisende of UNKNOWN ___