_____________________
                                             |                     
                       _Henry PERCY _________|
                      |                      |
                      |                      |_____________________
                      |                                            
 _Henry PERCY ________|
|                     |
|                     |                       _Ralph of NEVILLE ___+
|                     |                      | (1291 - 1367) m 1326
|                     |_Margaret of NEVILLE _|
|                                            |
|                                            |_Alice of AUDLEY ____+
|                                              (.... - 1373) m 1326
|
|--Elizabeth PERCY 
|  
|                                             _____________________
|                                            |                     
|                      ______________________|
|                     |                      |
|                     |                      |_____________________
|                     |                                            
|_Elizabeth MORTIMER _|
                      |
                      |                       _____________________
                      |                      |                     
                      |______________________|
                                             |
                                             |_____________________