+---William Williams (ABT 1764-27 MAY 1828)
| +---Grace ? 
+---Thomas Williams (ABT 1784-21 JAN 1844)
| | +---Giles Faull
| | +---Giles Faull (ABT 1680-07 MAY 1756)
| | +---Giles Faull (27 SEP 1706-1742)
| | | +---Mary Rogers
| | +---Giles Faull (ABT 1733-)
| | | +---Mary ? (-BEF 1742)
| +---Alarina Faull (ABT 1759-JAN 1840)
| | +---James Jeffery
| +---Mary Jeffery (ABT 1738-)
| +---Ann ?
+---William Williams (ABT 1818-23 MAY 1867)
| | +---William Mitchell
| +---Johanna Mitchell (ABT 1791-12 MAR 1876)
| +---Elizabeth ?
William Henry Williams (ABT 1847-22 MAR 1924)
| +---Joseph Smith
| +---Joseph Smith (ABT 1790-BEF 1851)
| | +---Hester Trestreal
+---Elizabeth Smith (ABT 1823-19 JUN 1898)
| +---James Tregoning
+---Mary Tregoning (ABT 1794-)
+---Mary ?