__
                                             |  
                        _John EGERTON _______|
                       | (1404 - 1459)       |
                       |                     |__
                       |                        
 _Philip EGERTON ______|
| (1430 - 1474)        |
|                      |                      __
|                      |                     |  
|                      |_Margaret FITTON ____|
|                        (1408 - 1430)       |
|                                            |__
|                                               
|
|--Helena EGERTON 
|  (1439 - 1512)
|                                             __
|                                            |  
|                       _William MAINWARING _|
|                      | (1396 - 1499)       |
|                      |                     |__
|                      |                        
|_Margaret MAINWARING _|
  (1433 - 1495)        |
                       |                      __
                       |                     |  
                       |_Margaret WARREN ____|
                         (1400 - 1437)       |
                                             |__