| | 1946–♂ John Francis Roydhouse 1949–♀ Patricia Mary Hogan | | | | 1914–1991♂ Cedric Roydhouse 1920–2010♀ Mary Ellen Birkett | | | | 1877–1943♂ Francis William Roydhouse 1883–1973♀ Muriel Blanch Crawley | | | | 1856–1926♂ William Francis Roydhouse | | |
| | | 1860–1949♀ Helen Inverdale Cadenhead |
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| | | 1896–♂ Spencer William Birkett |
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| | | 1900–♂ Patric Joseph Hogan |
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