1913–1990♂ George Edward Dobson 1916–2007♀ Dorothy L. Johnson | | |
1916–1998♀ Kathleen Dobson 1906–1994♂ Herbert John Wale | | |
| | 1878–1925♀ Gertrude Ann Roydhouse | | | | 1854–1900♂ William Clark Roydhouse 1855–1932♀ Elisabeth Harrison | | | | 1822–1901♂ James Roydhouse | | | | 1778–1858♂ Thomas Roydhouse | | | | 1752–1785♂ Daniel John Roydhouse | | |
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