(ABT 1800-1846)
+---James Key (01 MAY 1832-16 JUL 1912)
| | +---William Varcoe (ABT 1586-1639)
| | +---William Coad Varcoe (ABT 1639-)
| | | +---Temperance ? 
(ABT 1603-1645)
| | +---John Varcoe (ABT 1685-MAR 1764)
| | | +---Mary Edwards (ABT 1661-)
| | +---Robert Varcoe (ABT 1719-MAR 1761)
| | | +---Mary Yelland (-NOV 1764)
| | +---Robert Varcoe (ABT 1741-12 SEP 1771)
| | | | +---John Best (ABT 1648-AFT 1696)
| | | | +---John Best (ABT 1683-)
| | | | | +---Grace John
| | | +---Joan Best (ABT 1715-SEP 1744)
| | | | +---Robert Phillips
| | | +---Mary Phillips (17 SEP 1683-01 DEC 1799)
| | | +---Joan Sampson
| | +---Robert Varcoe (ABT 1763-1818)
| | | +---Elizabeth Slade (ABT 1740-1772)
| +---Nancy Ann Varcoe (ABT 1803-1868)
| | +---James Trethewy (ABT 1517-ABT 1573)
| | +---Thomas Trethewy (-ABT 1616)
| | +---Bartholomew Trethewy
| | +---Bartholomew Trethewy (-1666)
| | +---Bartholomew Trethewy
| | +---Thomas Trethewy (ABT 1675-MAY 1743)
| | | +---Jane Bruart
| | +---Thomas Trethewy (ABT 1710-FEB 1795)
| | | | +---Phillip Mellow (ABT 1660-JAN 1711)
| | | +---Joan Mellow (ABT 1680-)
| | | +---Jane ?
| | +---Thomas Trethewy (ABT 1735-SEP 1814)
| | | | +---Richard Jolliffe
| | | | +---Robert Jolliffe
| | | | +---Robert Jolliffe (ABT 1546-1602)
| | | | +---Henry Jolliffe (ABT 1586-)
| | | | | +---Thomason ?
| | | | +---Francis Jolliffe (ABT 1622-)
| | | | | +---Blanch Pearce
| | | | +---James Jolley (ABT 1682-APR 1754)
| | | | | +---Rose May
| | | +---Elizabeth Jolley (ABT 1713-)
| | | | +---Richard Osborne (-JUN 1667)
| | | | | +---Eme Varcoe
| | | | +---Richard Osborne
| | | | | +---Joan ?
| | | | +---Richard Osborne (-NOV 1707)
| | | | | | +---Arthur Michell (-ABT 1657)
| | | | | +---Constance Michell (ABT 1635-APR 1717)
| | | | | | +---Thomas Corne (-1647)
| | | | | +---Blanche Corne
| | | +---Blanche Osborne
| | | +---Bettres ?
| +---Elizabeth Trethewy (ABT 1765-)
| +---Wilmot Hicks (ABT 1731-MAR 1816)
+---? Key
| +---Ann Varcoe (ABT 1833-)
Francis (Frank) James Key (ABT 1884-)