_John COURTENAY _____+
                                                | (.... - 1415)       
                         _Philip COURTENAY _____|
                        | (1403 - 1463)         |
                        |                       |_Joan CHAMPERNOUN ___
                        |                                             
 _Philip COURTENAY _____|
| (1430 - 1488)         |
|                       |                        _____________________
|                       |                       |                     
|                       |_Elizabeth HUNGERFORD _|
|                                               |
|                                               |_____________________
|                                                                     
|
|--Elizabeth COURTENAY 
|  
|                                                _____________________
|                                               |                     
|                        _______________________|
|                       |                       |
|                       |                       |_____________________
|                       |                                             
|_Elizabeth of UNKNOWN _|
  (1432 - 1482)         |
                        |                        _____________________
                        |                       |                     
                        |_______________________|
                                                |
                                                |_____________________