1928–2008♂ Peter Whitton Roydhouse | | |
| | 1893–1959♂ William Roydhouse 1897–1954♀ Mary Eleanor Whitton | | |
| | 1895–♀ Mary Alberta Roydhouse 1897–1953♂ Sylvester J. Buckton | | |
| | 1863–1944♂ Albert Edward Roydhouse 1861–1922♀ Mary Ann Harrison 1882–1949♀ Elizabeth Watson | | |
1890–1895♀ Elizabeth May Roydhouse | | |
1940–1986♀ Joan Birkby Roydhouse | | |
| | 1892–1973♂ Harry Roydhouse 1893–1936♀ Hannah Mary Senior 1913–1985♀ Agnes Gertrude Birkby | | |
| | 1940–♂ Robert David Roydhouse 1940–♀ Shiela Mabel Hemingway | | |
| | 1895–1955♂ Albert Roydhouse 1901–1995♀ Fanny Precious | | |
| | 1900–♂ James William Willden | | |
1902–1905♂ William Roydhouse | | |
1903–1968♀ Florence Feather | | |
1909–1911♀ Nora Roydhouse | | |
1909–1960♂ Norman Roydhouse | | |
1911–1976♀ Olive Roydhouse | | |
| | 1866–1939♂ William Richardson Roydhouse 1870–1936♀ Frances Elizabeth Cox | | |
1869–1898♀ Edith Mary Roydhouse 1865–♂ Thomas Jones Mawer | | |
1872–1872♀ Caroline Roydhouse | | |
1874–1874♀ Annie Louisa Caroline Roydhouse | | |
1903–♂ John Richardson Moore | | |
1905–♀ Edith Dorothy Moore | | |
1909–♂ William Norman Moore | | |
| | 1875–♀ Annie Louisa Roydhouse | | |
| | 1839–1898♂ John Roydhouse 1837–1888♀ Hannah Richardson | | | | 1812–1882♂ Thomas Roydhouse | | | | 1778–1858♂ Thomas Roydhouse | | | | 1752–1785♂ Daniel John Roydhouse | | |
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