| | 1949–♀ Cheryl Ann Roydhouse | | | | 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 |
|
|
| | | 1896–♂ Spencer William Birkett |
|
|
|
|
