_William of WIMONDHAM _+
                                                | (1300 - ....)         
                        _John of WIMONDHAM _____|
                       | (.... - 1357)          |
                       |                        |_Johanna of CASTELL ___
                       |                                                
 _Thomas of WIMONDHAM _|
| (.... - 1386)        |
|                      |                         _______________________
|                      |                        |                       
|                      |_Catherine of REDISHAM _|
|                                               |
|                                               |_______________________
|                                                                       
|
|--John of WYMONDHAM 
|  (.... - 1415)
|                                                _______________________
|                                               |                       
|                       ________________________|
|                      |                        |
|                      |                        |_______________________
|                      |                                                
|_Margaret WALCOT _____|
  (1360 - 1416)        |
                       |                         _______________________
                       |                        |                       
                       |________________________|
                                                |
                                                |_______________________