_Ferdinand III IVREA _______+
                                                  | (1199 - 1252) m 1219       
                          _Alfonso X IVREA _______|
                         | (1221 - 1284)          |
                         |                        |_Elisabeth of HOHENSTAUFEN _+
                         |                          (1204 - 1235) m 1219       
 _Ferdinand of LA CERDA _|
| (1255 - 1275)          |
|                        |                         _James I BARCELONA _________+
|                        |                        | (1207 - 1276)              
|                        |_Violant of BARCELONA __|
|                          (1236 - 1301)          |
|                                                 |_Violant of ÁRPÁD ________+
|                                                   (1215 - 1251)              
|
|--Ferdinand of LA CERDA 
|  (1275 - 1322)
|                                                  _Louis VIII CAPET __________+
|                                                 | (1187 - 1226)              
|                         _Louis IX CAPET ________|
|                        | (1214 - 1270)          |
|                        |                        |_Blanche of IVREA __________+
|                        |                          (1187 - 1252)              
|_Blanche of CAPET ______|
  (1253 - 1323)          |
                         |                         _Ramon Berenguer IV ARAGON _+
                         |                        | (1198 - 1245)              
                         |_Margaret of BARCELONA _|
                           (1221 - 1295)          |
                                                  |_Beatrice of SAVOY _________+
                                                    (1198 - 1267)