| | 1985–♀ Deborah Leane S. Roydhouse | | | | 1953–2011♂ David Roydhouse | | | | 1929–2005♂ William James Roydhouse | | | | 1886–1963♂ Arthur Roydhouse 1887–1976♀ Eliza Nicholson | | | | 1854–1900♂ William Clark Roydhouse 1855–1932♀ Elisabeth Harrison | | |
| | | 1863–1914♂ Charles Nicholson 1860–1906♀ Ruth Blackburn |
|
|
| | | 1907–1974♂ Alred Tomlinson Huteson |
|
|
| |
|
|
|