| | ١٩٢٧–♂ John Bernard Roydhouse –♀ Pamela Margaret Dundas-Smith | | | | ١٨٩٧–١٩٨٣♂ Bernard Richard William Roydhouse ١٨٩٩–١٩٨٠♀ Ella Gwendoline James | | | | ١٨٦٢–١٩٤٣♂ Thomas Richard Roydhouse ١٨٦٥–١٩٣٨♀ Charlotte Vivienne Green | | | | ١٨٣٢–١٩٠٨♂ William John Roydhouse ١٨٣٢–١٩٠٨♀ Mary Johns Jordan | | |
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