_Hugh VI CHÂTEAUDUN _+
                                                     | (.... - 1191)        
                            _Geoffrey V CHÂTEAUDUN _|
                           | (.... - 1218)           |
                           |                         |_Jeanne of PREUILLY __
                           |                                                
 _Geoffrey VI CHÂTEAUDUN _|
| (.... - 1249)            |
|                          |                          ______________________
|                          |                         |                      
|                          |_Adelicia of NEVERS _____|
|                                                    |
|                                                    |______________________
|                                                                           
|
|--Pierre CHÂTEAUDUN 
|  (.... - 1251)
|                                                     ______________________
|                                                    |                      
|                           _________________________|
|                          |                         |
|                          |                         |______________________
|                          |                                                
|_Mabile of UNKNOWN _______|
                           |
                           |                          ______________________
                           |                         |                      
                           |_________________________|
                                                     |
                                                     |______________________