_________________________
                                             |                         
                       ______________________|
                      |                      |
                      |                      |_________________________
                      |                                                
 _John III ALBRET ____|
| (1469 - 1516)       |
|                     |                       _________________________
|                     |                      |                         
|                     |______________________|
|                                            |
|                                            |_________________________
|                                                                      
|
|--Isabella of ALBRET 
|  (1512 - 1560)
|                                             _Gaston IV FOIX _________+
|                                            | (1422 - 1472)           
|                      _Gaston FOIX _________|
|                     | (1445 - 1470)        |
|                     |                      |_Eleanor of TRASTÁMARA _+
|                     |                        (1425 - 1478)           
|_Catherine of FOIX __|
  (1468 - 1516)       |
                      |                       _Charles VII VALOIS _____+
                      |                      | (1402 - 1461) m 1422    
                      |_Magdalena of VALOIS _|
                        (1443 - 1494)        |
                                             |_Marie of VALOIS-ANJOU __+
                                               (1404 - 1463) m 1422