(-BEF 1881)
+---Malachi Bice (ABT 1862-)
| | +---William Chenhall
| +---Caroline Stephen Chenhall 
(ABT 1823-)
| +---Rebecca Stevens
+---Charles John Bice (09 JUL 1887-1955)
| | +---Charles May (ABT 1833-)
| +---Eliza Jane Carder May (ABT 1863-)
| +---Margaret ? (ABT 1834-)
+---Charles Henwood Ronald Bice (1918-)
| | +---Thomas Knight (ABT 1801-)
| | +---James Knight (ABT 1829-)
| | | +---Elizabeth ? (ABT 1801-)
| | +---Hart Knight (14 DEC 1854-)
| | | | +---John Ellis
| | | +---Mary Ann Ellis (ABT 1829-)
| +---Maggie Knight (-1970)
| +---Lavinia ? (ABT 1858-)
Amanda (Mandy) Lorraine Bice (28 MAY 1961-)
| +---Frederick Niles (1884-)
+---Joan Irene Niles (05 JAN 1925-22 SEP 2002)
| +---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)
+---Claudine Trethewey (06 JUL 1894-18 OCT 1981)
| +---John Tucker (ABT 1825-)
+---Elizabeth (Bessie) Tucker (08 FEB 1855-06 SEP 1901)
+---Sarah Ann Jones (ABT 1821-26 FEB 1889)