_Henry II PLANTAGENET _+
                                                      | (1132 - 1189) m 1152  
                          _John Lackland PLANTAGENET _|
                         | (1166 - 1216) m 1200       |
                         |                            |_Eleanor of POITIERS __+
                         |                              (1122 - 1204) m 1152  
 _Henry III PLANTAGENET _|
| (1207 - 1272) m 1236   |
|                        |                             _Aymer TAILLEFER ______+
|                        |                            | (1160 - 1202)         
|                        |_Isabella TAILLEFER ________|
|                          (1186 - 1246) m 1200       |
|                                                     |_Alice of COURTENAY ___+
|                                                       (1160 - 1217)         
|
|--William PLANTAGENET 
|  (1251 - 1256)
|                                                      _Alfonso II ARAGON ____+
|                                                     | (1180 - 1208)         
|                         _Ramon Berenguer IV ARAGON _|
|                        | (1198 - 1245)              |
|                        |                            |_Garsenda of SABRAN ___+
|                        |                              (1180 - 1242)         
|_Eleanor of BARCELONA __|
  (1223 - 1291) m 1236   |
                         |                             _Thomas I SAVOY _______+
                         |                            | (1178 - 1232)         
                         |_Beatrice of SAVOY _________|
                           (1198 - 1267)              |
                                                      |_Margaret of GENEVA ___
                                                        (1179 - 1258)