_Edward I PLANTAGENET _____+
                                                   | (1239 - 1307)             
                           _Edward II PLANTAGENET _|
                          | (1284 - 1327) m 1307   |
                          |                        |_Eleanor of IVREA _________+
                          |                          (1239 - 1290)             
 _Edward III PLANTAGENET _|
| (1312 - 1377) m 1327    |
|                         |                         _Philip IV CAPET __________+
|                         |                        | (1268 - 1314)             
|                         |_Isabella of CAPET _____|
|                           (1292 - 1358) m 1307   |
|                                                  |_Joan I of BLOIS __________+
|                                                    (1272 - 1305)             
|
|--Isabel PLANTAGENET 
|  (1332 - 1379)
|                                                   _John II AVESNES __________+
|                                                  | (1247 - 1304)             
|                          _William III AVESNES ___|
|                         | (1286 - 1337)          |
|                         |                        |_Philippa of LUXEMBOURG ___+
|                         |                          (1252 - 1311)             
|_Philippa of AVESNES ____|
  (1311 - 1369) m 1327    |
                          |                         _Charles VALOIS ___________+
                          |                        | (1269 - 1325) m 1290      
                          |_Joan of VALOIS ________|
                            (1294 - 1341)          |
                                                   |_Margaret of ANJOU-NAPLES _+
                                                     (1272 - 1299) m 1290