(ABT 1863-)
| +---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)
| +---James Trudgian (ABT 1781-JUN 1858)
| | | +---Robert Bone
| | +---Grace Bone (1759-02 JUN 1840)
| | +---Mary Ellis
+---Grace Trudgian (ABT 1828-)
+---Elizabeth (Betsey) Trevidick (ABT 1795-)