_William GILBERT _______
                                            | (1330 - 1380)          
                       _William GILBERT ____|
                      | (1380 - 1428) m 1418|
                      |                     |_Elizabeth CHAMPERNOUN _+
                      |                       (1334 - 1380)          
 _Otes GILBERT _______|
| (1417 - 1492)       |
|                     |                      ________________________
|                     |                     |                        
|                     |_Isabel GAMBON ______|
|                       (1380 - ....) m 1418|
|                                           |________________________
|                                                                    
|
|--Isabella GILBERT 
|  (1455 - 1493)
|                                            ________________________
|                                           |                        
|                      _____________________|
|                     |                     |
|                     |                     |________________________
|                     |                                              
|_Elizabeth HILL _____|
  (1423 - ....)       |
                      |                      ________________________
                      |                     |                        
                      |_____________________|
                                            |
                                            |________________________