_William COURTENAY __+
                                            | (1428 - 1485)       
                       _William COURTENAY __|
                      | (1451 - 1512)       |
                      |                     |_Margaret BONVILLE __
                      |                                           
 _William COURTENAY __|
| (1477 - 1535)       |
|                     |                      _____________________
|                     |                     |                     
|                     |_Cecily CHENEY ______|
|                                           |
|                                           |_____________________
|                                                                 
|
|--George COURTENAY 
|  (.... - 1533)
|                                            _____________________
|                                           |                     
|                      _____________________|
|                     |                     |
|                     |                     |_____________________
|                     |                                           
|_Margaret EDGECUMBE _|
  (.... - 1512)       |
                      |                      _____________________
                      |                     |                     
                      |_____________________|
                                            |
                                            |_____________________