Robert Foster Sayles
| +---Anthony Trudgyan (-1737)
| +---William Trudgian (ABT 1695-SEP 1752)
| | +---Elizabeth Lawrey 
(-1738)
| +---Samuel Trudgian (ABT 1725-01 MAY 1808)
| | | +---William Truscott
| | +---Jane Truscott (ABT 1697-MAY 1770)
| +---William Trudgian (1753-04 FEB 1835)
| | | +---Anthony Trudgyan (-1737)
| | | +---Anthony Trudgian (ABT 1699-1746)
| | | | +---Elizabeth Lawrey (-1738)
| | +---Elizabeth Trudgian (ABT 1725-13 JAN 1799)
| | +---Margaret Stone (-1739)
| +---Joseph Trudgian (ABT 1790-29 JUN 1838)
| | | +---Robert Bone
| | +---Grace Bone (1759-02 JUN 1840)
| | +---Mary Ellis
| +---Joseph Trudgian (01 AUG 1824-23 MAY 1888)
| | | +---Richard Mitchell
| | +---Dorothy Mitchell (08 JUL 1799-18 APR 1876)
| | | +---Anthony Trudgyan (-1737)
| | | +---William Trudgian (ABT 1695-SEP 1752)
| | | | +---Elizabeth Lawrey (-1738)
| | | +---Samuel Trudgian (ABT 1725-01 MAY 1808)
| | | | | +---William Truscott
| | | | +---Jane Truscott (ABT 1697-MAY 1770)
| | +---Elizabeth Trudgian (23 OCT 1757-)
| | | +---Anthony Trudgyan (-1737)
| | | +---Anthony Trudgian (ABT 1699-1746)
| | | | +---Elizabeth Lawrey (-1738)
| | +---Elizabeth Trudgian (ABT 1725-13 JAN 1799)
| | +---Margaret Stone (-1739)
| +---Joseph Trudgeon (15 MAY 1853-15 FEB 1917)
| | | +---Joseph Knight
| | +---Betsey Knight (ABT 1829-BET 1871 AND 1881)
| | +---Mary ?
+---Christanna Trudgeon (26 JAN 1888-)
+---Josephiah Ruth Haydon (03 MAY 1845-05 JAN 1890)