| | ١٩٤٩–♀ Cheryl Ann Roydhouse | | | | ١٩١٤–١٩٩١♂ Cedric Roydhouse ١٩٢٠–٢٠١٠♀ Mary Ellen Birkett | | | | ١٨٧٧–١٩٤٣♂ Francis William Roydhouse ١٨٨٣–١٩٧٣♀ Muriel Blanch Crawley | | | | ١٨٥٦–١٩٢٦♂ William Francis Roydhouse | | |
| | | ١٨٦٠–١٩٤٩♀ Helen Inverdale Cadenhead |
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| | | ١٨٩٦–♂ Spencer William Birkett |
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