_John of WYMONDHAM ____+
                                            | (.... - 1415)         
                       _John WYMONDHAM _____|
                      | (.... - 1445)       |
                      |                     |_Elizabeth SHARINGTON _
                      |                       (1350 - ....)         
 _John WYNDHAM _______|
| (1415 - 1475)       |
|                     |                      _______________________
|                     |                     |                       
|                     |_Margaret SEGRAVE ___|
|                       (1400 - ....)       |
|                                           |_______________________
|                                                                   
|
|--John WYNDHAM 
|  (1443 - 1502)
|                                            _______________________
|                                           |                       
|                      _____________________|
|                     |                     |
|                     |                     |_______________________
|                     |                                             
|_Margery CLIFTON ____|
  (1422 - 1456)       |
                      |                      _______________________
                      |                     |                       
                      |_____________________|
                                            |
                                            |_______________________