_Ardolph of GUINES __+
                                               | (0966 - 0996)       
                        _Rodolphe I of GUINES _|
                       | (0980 - 1036)         |
                       |                       |_Maud of BOULOGNE ___
                       |                         (0965 - 0982)       
 _Robert LE BLOUNT ____|
| (1029 - 1065)        |
|                      |                        _____________________
|                      |                       |                     
|                      |_Rosella of SAINT POL _|
|                        (0995 - 1062)         |
|                                              |_____________________
|                                                                    
|
|--Gilbert LE BLOUNT 
|  (1046 - ....)
|                                               _____________________
|                                              |                     
|                       _Vauquelin of FERRERS _|
|                      | (.... - 1045)         |
|                      |                       |_____________________
|                      |                                             
|_Gundreda of FERRERS _|
  (1036 - 1086)        |
                       |                        _____________________
                       |                       |                     
                       |_______________________|
                                               |
                                               |_____________________