_Louis of BEAUMONT __+
                                              | (1341 - 1376)       
                        _Charles of BEAUMONT _|
                       | (1361 - 1432) m 1407 |
                       |                      |_Mary of LIZARAZU ___
                       |                                            
 _Louis I of BEAUMONT _|
|                      |
|                      |                       _____________________
|                      |                      |                     
|                      |_Anne of CURLON ______|
|                         m 1407              |
|                                             |_____________________
|                                                                   
|
|--Louis of BEAUMONT 
|  (1430 - 1508)
|                                              _____________________
|                                             |                     
|                       ______________________|
|                      |                      |
|                      |                      |_____________________
|                      |                                            
|_Jeanne of NAVARRE ___|
                       |
                       |                       _____________________
                       |                      |                     
                       |______________________|
                                              |
                                              |_____________________