+---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 ? +---James Trethewy (ABT 1742-MAY 1824) | | +---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 ? Grace Trethewy (ABT 1780-) | +---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 | +---William Trethewy (ABT 1712-JAN 1777) | | | +---Phillip Mellow (ABT 1660-JAN 1711) | | +---Joan Mellow (ABT 1680-) | | +---Jane ? +---Elizabeth Trethewy (ABT 1749-) +---Grace Rickard