_Peter III BARCELONA __________+
                                                   | (1239 - 1285) m 1262          
                         _James II BARCELONA ______|
                        | (1267 - 1327)            |
                        |                          |_Constance II of HOHENSTAUFEN _+
                        |                            (1249 - 1302) m 1262          
 _Alfonso IV BARCELONA _|
| (1299 - 1335)         |
|                       |                           _Charles II ANJOU-NAPLES ______+
|                       |                          | (1254 - 1309)                 
|                       |_Blanche of ANJOU-NAPLES _|
|                         (1280 - 1310)            |
|                                                  |_Mary of ÁRPÁD ______________+
|                                                    (1257 - 1323)                 
|
|--Constance of BARCELONA 
|  (1318 - 1346)
|                                                   _______________________________
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|                        __________________________|
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|                       |                          |_______________________________
|                       |                                                          
|_Teresa of ENTENÇA ___|
                        |
                        |                           _______________________________
                        |                          |                               
                        |__________________________|
                                                   |
                                                   |_______________________________