_Fulk V CHÂTEAUDUN ____________+
                                                    | (1089 - 1143) m 1110           
                         _Geoffrey V PLANTAGENET ___|
                        | (1113 - 1151)             |
                        |                           |_Ermengarde of BAUGENCY ________+
                        |                             (1092 - 1125) m 1110           
 _Henry II PLANTAGENET _|
| (1132 - 1189) m 1152  |
|                       |                            _Henry I NORMANDY ______________+
|                       |                           | (1068 - 1135) m 1100           
|                       |_Matilda of NORMANDY ______|
|                         (1101 - 1167)             |
|                                                   |_Matilda DUNKELD _______________+
|                                                     (1080 - 1118) m 1100           
|
|--William of Poitiers PLANTAGENET 
|  (1153 - 1156)
|                                                    _William IX POITIERS ___________+
|                                                   | (1071 - 1126)                  
|                        _William X POITIERS _______|
|                       | (1099 - 1137)             |
|                       |                           |_Philippa of ROUERGUE __________+
|                       |                             (1073 - 1118)                  
|_Eleanor of POITIERS __|
  (1122 - 1204) m 1152  |
                        |                            _Aimery I of CHÂTELLERAULT ____+
                        |                           | (1075 - 1151)                  
                        |_Aénor of CHÂTELLERAULT _|
                          (1103 - 1129)             |
                                                    |_Dangereuse of L'ISLE BOUCHARD _+
                                                      (1079 - 1151)