_______________________
                                            |                       
                       _John KNYVETT _______|
                      | (1359 - 1418)       |
                      |                     |_______________________
                      |                                             
 _John KNYVETT _______|
| (1395 - 1445)       |
|                     |                      _John BOTETOURT _______+
|                     |                     | (1333 - 1377)         
|                     |_Joan of BOTETOURT __|
|                       (1356 - 1428)       |
|                                           |_Catherine of WAYLAND _
|                                             (1334 - 1377)         
|
|--Margaret KNYVETT 
|  (1412 - 1458)
|                                            _______________________
|                                           |                       
|                      _____________________|
|                     |                     |
|                     |                     |_______________________
|                     |                                             
|_ELizabeth CLIFTON __|
  (1392 - 1441)       |
                      |                      _______________________
                      |                     |                       
                      |_____________________|
                                            |
                                            |_______________________