Sandra Dianne Blair 
| +---John Semmens
| +---Edmund Semmens (19 SEP 1756-BEF 1841)
| +---Pascoe Semmens (11 MAR 1790-09 NOV 1843)
| | +---Jennifer Hosking
| +---Simon Hosking Symons (22 JAN 1817-01 FEB 1907)
| | +---Grace Bramble
| +---Edwin James Penberthy Symons (20 MAR 1863-BET 1935 AND 1939)
| | | +---Benjamin Hosking (-BEF 1871)
| | +---Jane Hosking (24 SEP 1820-02 JUN 1901)
| | +---Jemima Collins (ABT 1794-AFT 1871)
| +---Edwin Berryman Symons (12 APR 1895-02 AUG 1973)
| | | +---William Berryman
| | +---Emily Berryman (08 JUL 1864-12 JAN 1946)
| | +---Jane Williams (ABT 1838-)
+---Marjorie Eleanor Symons (15 MAY 1925-)
+---Bertha Victoria Beattie (20 JUN 1897-30 SEP 1986)