_Geoffrey V PLANTAGENET _+
                                             | (1113 - 1151)           
                       _Hamelin D'ANJOU _____|
                      | (1135 - 1202)        |
                      |                      |_________________________
                      |                                                
 _William DE WARENNE _|
| (1167 - 1240) m 1225|
|                     |                       _William DE WARENNE _____+
|                     |                      | (1119 - 1147)           
|                     |_Isabella DE WARENNE _|
|                       (1136 - 1199)        |
|                                            |_Adela OF PONTHIEU ______
|                                                                      
|
|--John DE WARENNE 
|  (1231 - 1304)
|                                             _________________________
|                                            |                         
|                      ______________________|
|                     |                      |
|                     |                      |_________________________
|                     |                                                
|_Maud MARSHAL _______|
  (1192 - 1248) m 1225|
                      |                       _________________________
                      |                      |                         
                      |______________________|
                                             |
                                             |_________________________