_John of WYMONDHAM __
                                              | (1240 - ....)       
                         _Ralph of WIMONDHAM _|
                        | (1260 - ....)       |
                        |                     |_Margaret CURZON ____
                        |                       (1250 - ....)       
 _William of WIMONDHAM _|
| (1300 - ....)         |
|                       |                      _____________________
|                       |                     |                     
|                       |_Agnes LNU __________|
|                                             |
|                                             |_____________________
|                                                                   
|
|--John of WIMONDHAM 
|  (.... - 1357)
|                                              _____________________
|                                             |                     
|                        _____________________|
|                       |                     |
|                       |                     |_____________________
|                       |                                           
|_Johanna of CASTELL ___|
                        |
                        |                      _____________________
                        |                     |                     
                        |_____________________|
                                              |
                                              |_____________________