עץ הקומפקטי של Carol Roydhouse |
| Thomas Roydhouse 1819–1873 (53) | Frederick Layton 1826– | | | ||||||||||
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| Benjamin Roydhouse 1849–1931 (81) |  | Douglas Roydhouse 1887–1967 (79) |  | Ellen Mary Layton 1854–1919 (65) | | | Eustace Frank Bishop 1905–1980 (75) | | | ||||
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| Esther Robbins 1819–1895 (76) | Elizabeth Penchon 1829– | | | ||||||||||
| Eric Roydhouse 1926–2008 (81) |
| Valerie Ann Bishop 1933– | |||||||||||
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| David Impey 1832–1881 (49) | | | | ||||||||||
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| David Impey 1862–1935 (73) | | Olive Augusta Ester Impey 1894–1987 (92) | | Sarah Ann White 1864–1952 (88) | | | Lilian Mabel Lines 1905–1954 (49) | | | ||||
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| Emma Gadd 1838– | | | | ||||||||||
