+---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 ? +---Jonas Trethewey (ABT 1769-) | | +---John Rickard | | +---Jonas Rickard (ABT 1705-) | +---Caroline Rickard (ABT 1734-) | +---Honour ? +---William Trethewey (ABT 1802-) | +---Grace Trenouth (-1808) +---Thomas (Tommy) Trethewey (ABT 1828-) | | +---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 ? | | +---Thomas Trethewy (ABT 1767-JUN 1827) | | | | +---John Rickard | | | | +---Jonas Rickard (ABT 1705-) | | | +---Caroline Rickard (ABT 1734-) | | | +---Honour ? | +---Elizabeth (Betsy) Trethewy (ABT 1806-) | | +---Sampson Curra | +---Ann Curra (ABT 1769-) | +---Ann ? +---William Henry Trethewey (16 JAN 1862-) | +---Elizabeth Parsons (-BEF 1871) Alma Trethewey (ABT 1883-1947) | +---John Tucker (ABT 1825-) +---Elizabeth (Bessie) Tucker (08 FEB 1855-06 SEP 1901) +---Sarah Ann Jones (ABT 1821-26 FEB 1889)