(ABT 1726-)
+---John Snell
(ABT 1752-)
| | +---James Trethewy
| | +---Richard Trethewy
(ABT 1665-JAN 1741)
| | +---James Trethewy
(ABT 1703-)
| | | +---Ann Martyn
(ABT 1666-JUN 1738)
| +---Phillippa Trethewy
(ABT 1727-)
| | +---Anthony Jane
| +---Loveday Jane
(ABT 1707-1777)
| +---Elizabeth Syndercombe
+---Thomas Snell
(ABT 1787-DEC 1873)
| | +---John Best
(ABT 1648-AFT 1696)
| | +---John Best
(ABT 1683-)
| | | +---Grace John
| | +---Abraham Best
(ABT 1717-11 MAR 1772)
| | | | +---Robert Phillips
| | | +---Mary Phillips
(17 SEP 1683-01 DEC 1799)
| | | +---Joan Sampson
| +---Temperance Best
(ABT 1758-)
| | +---Joseph Stephens
| +---Temperance Stephens
(ABT 1726-DEC 1809)
| +---Jane Stick
Grace Snell
(ABT 1825-BEF 1871)
| +---Thomas Snell
+---Grace Snell
(ABT 1790-SEP 1875)
| +---John Best
(ABT 1648-AFT 1696)
| +---John Best
(ABT 1683-)
| | +---Grace John
| +---Abraham Best
(ABT 1717-11 MAR 1772)
| | | +---Robert Phillips
| | +---Mary Phillips
(17 SEP 1683-01 DEC 1799)
| | +---Joan Sampson
+---Ann Best
(ABT 1764-)
| +---Joseph Stephens
+---Temperance Stephens
(ABT 1726-DEC 1809)
+---Jane Stick