_Fulk V ANJOU ___________+
                                                 | (1089 - 1143)           
                        _Geoffrey V PLANTAGENET _|
                       | (1113 - 1151)           |
                       |                         |_Ermengarde DE BAUGENCY _
                       |                           (1092 - 1125)           
 _Hamelin D'ANJOU _____|
| (1135 - 1202)        |
|                      |                          _________________________
|                      |                         |                         
|                      |_________________________|
|                                                |
|                                                |_________________________
|                                                                          
|
|--William DE WARENNE 
|  (1167 - 1240)
|                                                 _William DE WARENNE _____+
|                                                | (.... - 1138)           
|                       _William DE WARENNE _____|
|                      | (1119 - 1147)           |
|                      |                         |_Elizabeth of CAPET _____+
|                      |                           (1085 - 1130)           
|_Isabella DE WARENNE _|
  (1136 - 1199)        |
                       |                          _________________________
                       |                         |                         
                       |_Adela OF PONTHIEU ______|
                                                 |
                                                 |_________________________