–♂ Charles Edward Roydhouse III | | |
| | 1953–♂ Charles Edward Roydhouse II 1958–♀ Kathleen Ann Spalt | | | | 1927–♂ Charles Edward Roydhouse 1933–2002♀ Emily Ann Wade | | | | 1902–1981♂ Clarence Edward Roydhouse | | | | 1873–1925♂ Burton Parker Roydhouse 1877–♀ Louisa Beatrice Price | | |
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| | | 1931–1987♀ Evelyn Rose Bertholdt … |
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