1920–2003♀ Beryl Evelyn ... 1920–1992♂ David Alfred Roydhouse | | | | 1887–1974♂ Arthur Payton Roydhouse | | | | 1856–1926♂ William Francis Roydhouse | | | | 1832–1908♂ William John Roydhouse 1832–1908♀ Mary Johns Jordan | | | | 1772–1851♂ Thomas Roydhouse | | |
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| | | 1827–1916♀ Sussanah Martha Dunn | | | | | 1805–1879♀ Mary Ann Goodwin | | |
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| | | 1849–1903♀ Mary Ann Bryant | | | | | 1816–1877♀ Mary Ann Mitchenson Pollard | | |
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