_John STAPLETON ____________+
                                                    | (1399 - 1455)              
                        _William STAPLETON _________|
                       | (1432 - 1503)              |
                       |                            |_Margaret NORTON ___________+
                       |                              (1417 - 1474)              
 _Bryan VII STAPLETON _|
| (1458 - 1518)        |
|                      |                             _James PICKERING ___________
|                      |                            |                            
|                      |_Margaret PICKERING ________|
|                        (1441 - 1474)              |
|                                                   |_Margaret LASCELLES ________
|                                                                                
|
|--Christopher STAPLETON 
|  (1485 - 1537)
|                                                    _Henry THRELKELD ___________
|                                                   | (1399 - 1452)              
|                       _Lancelot Edward THRELKELD _|
|                      | (1435 - 1493) m 1448       |
|                      |                            |_Margaret Alice THORNBURGH _
|                      |                              (1402 - 1493)              
|_Jane THRELKELD ______|
  (1463 - 1542)        |
                       |                             _Henry of BROMFLETE ________+
                       |                            | (1412 - 1468)              
                       |_Margaretha BROMFLETE ______|
                         (1436 - 1493) m 1448       |
                                                    |_Eleanor FITZHUGH __________+
                                                      (1412 - 1457)