(-BEF 1926)
+---Harry Cooper Chapman (25 APR 1857-)
Ronald William Chapman (ABT 1931-)
| +---Robert Flack
| +---Joshua Flack
| +---Nathaniel Flack (ABT 1752-)
| +---Nathaniel Flack (ABT 1773-DEC 1853)
| | +---Sarah Hallet 
(ABT 1750-1817)
| +---Nathaniel Williams Flack (ABT 1820-1900)
| | | +---Robert Edwards (ABT 1772-)
| | +---Sarah Edwards (ABT 1797-)
| +---Simon Flack (ABT 1852-)
| | | +---John Butcher (JAN 1-FEB 1844)
| | +---Ann Butcher (ABT 1820-1895)
| | | +---Jonathan Reader
| | +---Lydia Reader (14 SEP 1784-AUG 1860)
| | +---Alice Newton (ABT 1745-APR 1806)
+---Lizzie Flack (11 JUL 1888-)
| +---Joseph Butcher
+---Annie Butcher (ABT 1856-)