__
                                             |  
                        _Yves of BEAUMONT ___|
                       | (0990 - 1059)       |
                       |                     |__
                       |                        
 _Yves II BEAUMONT ____|
| (1040 - 1083)        |
|                      |                      __
|                      |                     |  
|                      |_____________________|
|                                            |
|                                            |__
|                                               
|
|--Agnes of BEAUMONT 
|  (.... - 1105)
|                                             __
|                                            |  
|                       _____________________|
|                      |                     |
|                      |                     |__
|                      |                        
|_Adelaide of GOURNAY _|
  (1055 - 1099)        |
                       |                      __
                       |                     |  
                       |_____________________|
                                             |
                                             |__