_James II BARCELONA ________+
                                                  | (1243 - 1311)              
                           _Ferdinand BARCELONA __|
                          | (1278 - 1316)         |
                          |                       |_Esclaraunda of FOIX _______
                          |                         (1250 - 1315)              
 _James III BARCELONA ____|
| (1315 - 1349)           |
|                         |                        _Isnard SABRAN _____________
|                         |                       |  m 1294                    
|                         |_Isabella of SABRAN ___|
|                           (1297 - 1315)         |
|                                                 |_Margaret of VILLEHARDOUIN _+
|                                                   (1266 - 1314) m 1294       
|
|--James IV BARCELONA 
|  (1336 - 1374)
|                                                  _James II BARCELONA ________+
|                                                 | (1267 - 1327)              
|                          _Alfonso IV BARCELONA _|
|                         | (1299 - 1335)         |
|                         |                       |_Blanche of ANJOU __________+
|                         |                         (1280 - 1310)              
|_Constance of BARCELONA _|
  (1318 - 1346)           |
                          |                        ____________________________
                          |                       |                            
                          |_Teresa of ENTENÇA ___|
                                                  |
                                                  |____________________________