___________________________
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                       __________________________|
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                      |                                                      
 _Archambaud GRAILLY _|
| (1330 - 1412)       |
|                     |                           ___________________________
|                     |                          |                           
|                     |__________________________|
|                                                |
|                                                |___________________________
|                                                                            
|
|--Gaston I FOIX-GRAILLY 
|  (.... - 1541)
|                                                 _Roger-Bernard IV of FOIX _+
|                                                | (1310 - 1350)             
|                      _Roger-Bernard V of FOIX _|
|                     | (1330 - 1381)            |
|                     |                          |_Constance of LUNA ________
|                     |                            (.... - 1353)             
|_Isabella of FOIX ___|
  (1361 - 1428)       |
                      |                           ___________________________
                      |                          |                           
                      |_Géraude of NAVAILLES ___|
                                                 |
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