_______________________
                                            |                       
                       _Richard LYGON ______|
                      |                     |
                      |                     |_______________________
                      |                                             
 _Richard LYGON ______|
|                     |
|                     |                      _Richard of BEAUCHAMP _
|                     |                     | (1381 - 1439)         
|                     |_Anne of BEAUCHAMP __|
|                                           |
|                                           |_Elizabeth STAFFORD ___+
|                                                                   
|
|--William LYGON 
|  
|                                            _______________________
|                                           |                       
|                      _____________________|
|                     |                     |
|                     |                     |_______________________
|                     |                                             
|_Margaret GREVILLE __|
                      |
                      |                      _______________________
                      |                     |                       
                      |_____________________|
                                            |
                                            |_______________________