+---James Trethewy +---Richard Trethewy (ABT 1665-JAN 1741) +---John Trethewey (ABT 1690-) | +---Ann Martyn (ABT 1666-JUN 1738) +---Joseph Trethewy (ABT 1735-DEC 1816) | | +---Phillip Mellow (ABT 1660-JAN 1711) | +---Temperance Mellow (ABT 1690-MAY 1765) | +---Jane ? +---John Trethewey (ABT 1764-JAN 1834) | | +---John Rickard | | +---Jonas Rickard (ABT 1705-) | +---Caroline Rickard (ABT 1734-) | +---Honour ? +---John Trethewey (ABT 1785-) | +---Charity Strangeman (1756-) +---John Trethewey (ABT 1810-05 NOV 1885) | | +---Richard Whetter | +---Mary Whetter (ABT 1789-JUN 1828) | +---Mary Bullon +---John Trethewey (ABT 1835-04 DEC 1904) | | +---John Goodge (-BEF 1851) | +---Ann Goodge (ABT 1813-05 MAR 1890) | +---Jane Yelland (ABT 1773-) +---William John Trethewey (ABT 1864-23 OCT 1912) | | +---John Hore (ABT 1800-) | +---Elizabeth Hore (ABT 1834-) | | +---Richard Osborne | +---Mary Osborne (ABT 1804-) | +---Florence Yelland (ABT 1766-) +---William Edgar Trethewey | | +---George Trethewey (12 MAY 1835-25 NOV 1902) | | | | +---James Trethewy | | | | +---Richard Trethewy (ABT 1665-JAN 1741) | | | | +---John Trethewey (ABT 1690-) | | | | | +---Ann Martyn (ABT 1666-JUN 1738) | | | | +---John Trethewey (ABT 1720-) | | | | | | +---Phillip Mellow (ABT 1660-JAN 1711) | | | | | +---Temperance Mellow (ABT 1690-MAY 1765) | | | | | +---Jane ? | | | | +---Richard Trethewy (ABT 1762-MAR 1836) | | | | | | +---Joseph Grose | | | | | +---Jane Grose (ABT 1724-) | | | | | +---Jane ? | | | +---Ann (Nancy) Trethewey (ABT 1807-) | | | +---Ann Rickard (ABT 1779-) | +---Jane Trethewey (ABT 1868-09 JAN 1914) | | +---James Trethewy | | +---Richard Trethewy (ABT 1665-JAN 1741) | | +---John Trethewey (ABT 1690-) | | | +---Ann Martyn (ABT 1666-JUN 1738) | | +---Joseph Trethewy (ABT 1735-DEC 1816) | | | | +---Phillip Mellow (ABT 1660-JAN 1711) | | | +---Temperance Mellow (ABT 1690-MAY 1765) | | | +---Jane ? | | +---John Trethewey (ABT 1764-JAN 1834) | | | | +---John Rickard | | | | +---Jonas Rickard (ABT 1705-) | | | +---Caroline Rickard (ABT 1734-) | | | +---Honour ? | | +---John Trethewey (ABT 1785-) | | | +---Charity Strangeman (1756-) | | +---John Trethewey (ABT 1810-05 NOV 1885) | | | | +---Richard Whetter | | | +---Mary Whetter (ABT 1789-JUN 1828) | | | +---Mary Bullon | +---Ann Trethewey (ABT 1839-10 AUG 1901) | | +---John Goodge (-BEF 1851) | +---Ann Goodge (ABT 1813-05 MAR 1890) | +---Jane Yelland (ABT 1773-) Walter John Trethewey +---Olive May Ridgment (14 SEP 1905-)