עץ הקומפקטי של Grace Roydhouse |
| Henry Roydhouse 1841–1910 (68) | Rodman Duryea 1863–1910 (47) | | | ||||||||||
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| Henry Elston Roydhouse 1885–1946 (61) |  | Rodman Elston Roydhouse 1915–1983 (67) |  | Hazel Blanche Duryea 1886–1953 (66) | | | | | | ||||
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| Mary Elizabeth Bush 1844–1913 (68) | Blanche Kyte 1866–1894 (27) | | | ||||||||||
| Brad Allen Roydhouse 1947– |
| Veronica J. … 1958– | |||||||||||
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| Elmer Jacob Starbird 1897–1957 (60) | | Grace Esther Irene Starbird 1925–2013 (87) | | Vernice Ada Smith 1902–1940 (38) | | | | | | ||||
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