Kompakter Stammbaum von Donald Jack Roydhouse |
| Thomas Roydhouse 1772–1851 (79) | Hugh Jordan 1797–1846 (49) | | | ||||||||||
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| William John Roydhouse 1832–1908 (75) |  | John Charles Roydhouse 1868–1931 (62) |  | Mary Johns Jordan 1832–1908 (76) | | | James Finlay 1862–1942 (79) | | | ||||
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| Sarah Clark 1784–1874 (90) | Ann Trezise 1802–1873 (71) | | | ||||||||||
| Jack Roydhouse 1892–1986 (93) |
| Kathleen Ivy Finlay 1896–1970 (73) | |||||||||||
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| Joseph Thomas 1829–1896 (67) | | Grace Thomas 1866–1941 (75) | | Mary Ann Mollard 1828–1884 (56) | | | Louise Smith 1867–1937 (70) | | | ||||
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