עץ הקומפקטי של Myra Roydhouse |
| Thomas Roydhouse 1778–1858 (79) | | | | ||||||||||
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| James Roydhouse 1822–1901 (78) |  | William Clark Roydhouse 1854–1900 (45) |  | Ann Johnson 1831–1880 (49) | William Cockerline 1823–1906 (83) | | George Cockerline 1854–1911 (56) | | Elizabeth Cuthbert 1825–1880 (55) | ||||
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| Jane Cross 1786–1842 (56) | | | | ||||||||||
| Harrison Roydhouse 1892–1918 (25) |
| Emily Cockerline 1894–1978 (84) | |||||||||||
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| Mark Harrison 1823–1874 (51) | | Elisabeth Harrison 1855–1932 (77) | | Jane Jackson 1823–1906 (83) | | | Leah Mallet 1856–1934 (78) | | | ||||
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