(-BEF 1851)
John Jacka (ABT 1827-)
| +---Stephen Sincock
+---Elizabeth Sincock 
(ABT 1795-)
+---Hannah Secombe
(-BEF 1851)
John Jacka (ABT 1827-)
| +---Stephen Sincock
+---Elizabeth Sincock (ABT 1795-)
+---Hannah Secombe