| | 1951–♂ Ian Grant Roydhouse | | | | 1924–2005♂ Howard Roydhouse 1924–2016♀ Jessica Yvonne Dick | | | | 1877–1943♂ Francis William Roydhouse 1883–1973♀ Muriel Blanch Crawley | | | | 1856–1926♂ William Francis Roydhouse | | |
| | | 1860–1949♀ Helen Inverdale Cadenhead |
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| | | 1886–1967♂ John Grant Dick 1889–1946♀ Margaret Clagne |
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