_Ferdinand IV IVREA ____________+
                                                     | (1285 - 1312)                  
                               _Alfonso XI BURGUNDY _|
                              | (1311 - 1350)        |
                              |                      |_Constanza Dinisez of BURGUNDY _+
                              |                        (1289 - 1313)                  
 _Fadrique Alfonso ENRÍQUEZ _|
| (1333 - 1358)               |
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|                             |_Eleanor of GUZMAN ___|
|                               (1310 - 1351)        |
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|--Alonso ENRÍQUEZ 
|  (1354 - 1429)
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|_Paloma of UNKNOWN __________|
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