William Cook (ABT 1776-)
| +---Thomas Belsey (ABT 1530-APR 1615)
| +---John Belsey (ABT 1578-JUN 1656)
| | +---Joan Hawkinge 
(ABT 1540-APR 1604)
| +---Thomas Belsey (ABT 1606-MAR 1659)
| | | +---Roger Elsetter
| | +---Margaret Elseter (-1654)
| | +---Christian Saunder
| +---John Belsey (ABT 1637-ABT 1703)
| | | +---Henry Veryer
| | +---Elizabeth Verrier (ABT 1612-)
| | +---Ann Austin
| +---George Belsey (ABT 1684-)
| | | +---John Pilcher
| | +---Mary Pilcher (-1692)
| | +---Susan ?
| +---Isaac Belsey (ABT 1726-)
| | +---Mary Birch
+---Elizabeth Belsey (1753-)
+---Susan Payne