עץ הקומפקטי של Vickie Roydhouse |
| William Clark Roydhouse 1854–1900 (45) | Charles Nicholson 1863–1914 (51) | | | ||||||||||
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| Arthur Roydhouse 1886–1963 (77) |  | Lewis Roydhouse 1911–1985 (74) |  | Eliza Nicholson 1887–1976 (88) | | | Thomas A. Whitehouse – | | | ||||
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| Elisabeth Harrison 1855–1932 (77) | Ruth Blackburn 1860–1906 (46) | | | ||||||||||
| John Roydhouse 1950– |
| Jennifer A. Whitehouse 1951– | |||||||||||
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| Harold Storey Garland 1891–1979 (87) | | Mary Garland 1915–1986 (71) | | Mary Susan Sands – | | | Joyce M. Peck – | | | ||||
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