+---William Harry (1771-JUL 1835)
| +---Elizabeth Benallack 
+---Nicholas Harry (ABT 1800-)
| | +---Philip Trethewy (-JUL 1733)
| | +---Richard Trethewy (ABT 1720-)
| | | +---Isabel Beaubery (-FEB 1732)
| +---Isabel Trethewy (ABT 1774-JUL 1862)
| +---Ann Jewell
John Hammer Harry (26 MAR 1837-)
+---Jane (Jennifer) Hammer (ABT 1804-29 SEP 1874)