Arbre compact de Brian Medforth |
| | | James Roydhouse 1822–1901 (78) | Mark Harrison 1823–1874 (51) | ||||||||||
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| |  | George Edward Medforth 1881– |  | | William Clark Roydhouse 1854–1900 (45) | | Arthur Roydhouse 1886–1963 (77) | | Elisabeth Harrison 1855–1932 (77) | ||||
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| | | Ann Johnson 1831–1880 (49) | Jane Jackson 1823–1906 (83) | ||||||||||
| Frank Medforth 1916–2004 (88) |
| Betty Roydhouse 1920–2002 (82) | |||||||||||
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| | | Elizabeth Hannah Middleton 1884–1981 (97) | | | Charles Nicholson 1863–1914 (51) | | Eliza Nicholson 1887–1976 (88) | | Ruth Blackburn 1860–1906 (46) | ||||
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