| | 1905–1966♂ William John Roydhouse 1907–1989♀ Millicent Mildred Adams | | | | 1877–1943♂ Francis William Roydhouse 1883–1973♀ Muriel Blanch Crawley | | | | 1856–1926♂ William Francis Roydhouse | | |
| | | 1860–1949♀ Helen Inverdale Cadenhead |
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| | | 1879–1932♂ Walter R. Adams 1881–1934♀ Alice Eliza Smart | | | | 1846–1897♂ George Walter Adams |
| | | 1859–1926♂ James Walter Smart 1861–1934♀ Elizabeth Anne Munton | | |
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