__
                                                    |  
                           _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 ___|
                                                    |
                                                    |__