١٩٧٥–♂ Michael Dennis Williams | | |
١٩٧٨–♀ Anita Janet Williams | | |
| | ١٩٤٦–♀ Angela M. Roydhouse | | |
| | ١٩٠٥–١٩٨٩♂ John William Roydhouse ١٩١٠–١٩٩٢♀ Queenie May Newman | | | | ١٨٧٦–١٩١٠♂ John Charles Roydhouse ١٨٦٧–١٩٣٤♀ Ada Emily Knighton | | | | ١٨٤١–١٨٨٣♂ George Henry Roydhouse ١٨٤٠–١٩١٠♀ Caroline Bonnick | | | | ١٨١٣–١٨٦١♂ William Collins Roydhouse ١٨٠٧–١٨٨٤♀ Elizabeth Hayward | | | | ١٧٩٠–١٨٧٤♂ Thomas Roydhouse | | |
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| | | ١٨٣٧–♀ Mary Elizabeth Anderton Salmon |
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