_Humphrey of VIEILLES ________+
                                                        | (.... - 1050)                
                              _Roger of BEAUMONT _______|
                             | (1015 - 1094) m 1048     |
                             |                          |_Albreda of the HAYE-AUBERIE _
                             |                                                         
 _Henry of BEAUMONT _________|
| (1050 - 1119)              |
|                            |                           ______________________________
|                            |                          |                              
|                            |_Adeline of MEULAN _______|
|                              (1014 - 1081) m 1048     |
|                                                       |______________________________
|                                                                                      
|
|--Robert of BEAUMONT 
|  (1102 - 1153)
|                                                        _Rotrou I CHÂTEAUDUN ________+
|                                                       | (1031 - 1080)                
|                             _Geoffroy II CHÂTEAUDUN _|
|                            | (.... - 1100)            |
|                            |                          |_Adelise of BELLÊME _________
|                            |                                                         
|_Marguerite of CHÂTEAUDUN _|
  (.... - 1156)              |
                             |                           ______________________________
                             |                          |                              
                             |_Beatrix of RAMERUPT _____|
                                                        |
                                                        |______________________________