1924–2009♀ Shirley Florence Roydhouse | | |
1959–♂ John Bernard Roydhouse | | |
1966–♀ Amanda Lisa Roydhouse | | |
| | 1927–♂ John Bernard Roydhouse –♀ Pamela Margaret Dundas-Smith | | |
| | 1899–1980♀ Ella Gwendoline James 1897–1983♂ Bernard Richard William Roydhouse | | | | | 1862–1943♂ Thomas Richard Roydhouse 1865–1938♀ Charlotte Vivienne Green | | | | 1832–1908♂ William John Roydhouse 1832–1908♀ Mary Johns Jordan | | | | 1772–1851♂ Thomas Roydhouse | | | | 1730–1778♂ Henry Roydhouse | | |
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| | | | | | | | 1763–1839♂ Walter Trezise 1762–1846♀ Jenifer George | | |
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| | | | | | | | 1811–1872♀ Charlotte Perks |
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