Robert Lindsay Triggell
| +---Francis Robert Herbert
+---Denise Ngaire Herbert 
| +---Martin John McFetridge
+---Beverley Sadie McFetridge
| +---Thomas Jackson (08 JUL 1828-18 AUG 1907)
| +---Henry Philip Jackson (09 FEB 1871-06 MAY 1948)
| | | +---William Judd (1802-15 JUL 1876)
| | +---Harriett Judd (06 JAN 1841-17 MAR 1918)
| | +---Ann Sayers or Sears (1810-23 APR 1870)
+---Sadie Holmes Jackson (05 SEP 1906-06 MAY 1948)
+---Agnes Holmes