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