1902–1978♂ Percy Frederick Roydhouse 1892–1977♀ Ivy Pearl G. Collard | | | | 1872–1947♂ George Joseph Roydhouse 1874–1945♀ Ada Louise Maycock | | | | 1844–1918♂ Joseph Thomas Roydhouse 1844–1930♀ Charlotte Pocock | | | | 1816–1849♂ Thomas Henry Roydhouse | | | | 1772–1851♂ Thomas Roydhouse | | |
| | | 1772–1833♂ William Anstiss |
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| | | 1845–1920♂ William Maycock 1846–1928♀ Mary A. Thomas | | | | 1815–1876♂ Benjamin Maycock |
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