_John Lackland PLANTAGENET _+
| (1166 - 1216) m 1200
_Henry III PLANTAGENET _|
| (1207 - 1272) m 1236 |
| |_Isabella TAILLEFER ________
| (1186 - 1246) m 1200
_Edward I PLANTAGENET _|
| (1239 - 1307) |
| | _Ramon Berenguer IV ARAGON _+
| | | (1198 - 1245)
| |_Eleanor of BARCELONA __|
| (1223 - 1291) m 1236 |
| |_Beatrice of SAVOY _________
| (1198 - 1267)
|
|--Margaret of PLANTAGENET
| (1274 - 1333)
| _Alfonso IX IVREA __________+
| | (1171 - 1230)
| _Ferdinand III IVREA ___|
| | (1199 - 1252) |
| | |_Berengaria of IVREA _______+
| | (1179 - 1246)
|_Eleanor of IVREA _____|
(1239 - 1290) |
| _Simon of DAMMARTIN ________
| |
|_Jeanne of DAMMARTIN ___|
(1220 - 1278) |
|_Maria DE PONTHIEU _________+