_Hugues V CHÂTEAUDUN _______+
                                                 | (.... - 1180)               
                           _Hugh VI CHÂTEAUDUN _|
                          | (.... - 1191)        |
                          |                      |_Marguerite of SAINT-CALAIS _
                          |                                                    
 _Geoffrey V CHÂTEAUDUN _|
| (.... - 1218)           |
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|                         |_Jeanne of PREUILLY __|
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|--Alix of CHÂTEAUDUN 
|  (.... - 1239)
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|_Adelicia of NEVERS _____|
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