١٩٩٧–♂ Mitchell Gregory Roydhouse | | | | ١٩٧٣–♂ Gregory Jason Roydhouse | | | | ١٩٤٦–♂ David Francis Roydhouse ١٩٤٩–♀ Katherine Marguerite Simpson | | | | ١٩٠٩–١٩٨٤♂ Malcolm Roydhouse ١٩١٦–١٩٨٤♀ Emma Jean Nelson | | | | ١٨٧٧–١٩٤٣♂ Francis William Roydhouse ١٨٨٣–١٩٧٣♀ Muriel Blanch Crawley | | |
| | | ١٨٧٢–١٩٣٥♂ William David Nelson |
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