Luke Sebastian Blackburn (25 JAN 1971-)
| +---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)
| +---Samuel Trudgian (1751-15 MAR 1823)
| | | +---Anthony Trudgyan (-1737)
| | | +---Anthony Trudgian (ABT 1699-1746)
| | | | +---Elizabeth Lawrey (-1738)
| | +---Elizabeth Trudgian (ABT 1725-13 JAN 1799)
| | +---Margaret Stone (-1739)
| +---Elisha Trudgian (22 MAR 1783-09 FEB 1854)
| | +---Elizabeth Warrick (1752-13 DEC 1830)
| +---Elisha Trudgian (09 SEP 1820-24 FEB 1884)
| | | +---Richard Geach
| | +---Loveday Geach (ABT 1787-16 OCT 1853)
| +---Thomas Trudgian (08 JUN 1848-16 MAR 1933)
| | | +---James Searle (ABT 1801-)
| | +---Harriet Searle (ABT 1826-13 MAR 1898)
| | +---Catherine Crossman (ABT 1803-)
| +---Thomas Denzil Trudgian (13 JAN 1885-16 JUL 1972)
| | | +---William Goodfellow
| | +---Mary Ellen Goodfellow (21 JUL 1855-23 MAR 1937)
| | +---Jane ?
| +---Thomas Peter Francis Trudgian (31 MAR 1914-15 SEP 1990)
| | | +---Arminius Burgess
| | +---Lucy Adeline Burgess (16 SEP 1876-12 OCT 1920)
| | +---Anna Maria ?
+---Jennefer Clare Trudgian (05 MAY 1946-)
+---Nancy Maude Parr (05 DEC 1916-)