__________________________
                                                  |                          
                            _Thomas FORSTER Sr____|
                           |                      |
                           |                      |__________________________
                           |                                                 
 _Thomas FORSTER Jr________|
|                          |
|                          |                       _William of ELMEDON ______+
|                          |                      | (1381 - 1447) m 1411     
|                          |_Joan of ELMEDON _____|
|                                                 |
|                                                 |_Elizabeth of UMFREVILLE _+
|                                                    m 1411                  
|
|--Constance FORSTER 
|  (1456 - ....)
|                                                  __________________________
|                                                 |                          
|                           _Thomas FEATHERSTONE _|
|                          | (1410 - ....)        |
|                          |                      |__________________________
|                          |                                                 
|_Elizabeth of ETHERSTONE _|
  (1430 - ....)            |
                           |                       __________________________
                           |                      |                          
                           |_Alison WHITFIELD ____|
                             (1415 - ....)        |
                                                  |__________________________