_Rotrou I CHÂTEAUDUN _+
                                                      | (.... - 1080)         
                            _Geoffroy II CHÂTEAUDUN _|
                           | (.... - 1100)            |
                           |                          |_Adelise of BELLÊME __
                           |                                                  
 _Routrou III CHÂTEAUDUN _|
| (1080 - 1144)            |
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|                          |_Beatrix of RAMERUPT _____|
|                                                     |
|                                                     |_______________________
|                                                                             
|
|--Stephen CHÂTEAUDUN 
|  
|                                                      _______________________
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|                           __________________________|
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|                          |                                                  
|_Hawise of SALISBURY _____|
                           |
                           |                           _______________________
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                           |__________________________|
                                                      |
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