David Jarvis
| +---William Smith (-1861)
| +---Thomas Smith (ABT 1803-07 JAN 1889)
| | +---Elizabeth Harris 
| +---John Thomas Smith (09 JAN 1841-18 NOV 1902)
| | +---Lucy Clarke (ABT 1806-1873)
| +---Isaac Smith (14 OCT 1886-08 OCT 1956)
| | | +---John Bizley
| | | +---Isaac Bizley (DEC 1819-)
| | +---Emma (Emily) Bizley (10 APR 1846-07 APR 1925)
| | | +---James Tucker
| | +---Mary Ann Tucker (07 OCT 1818-)
+---Mary Smith
+---Florence Thompson