1883–1970♂ Ellis Fergusson Roydhouse 1875–1964♀ Gertrude Annie Swift 1908–2000♀ Mary Ellaline Poingdestre | | |
1888–1889♀ Gertrude Marian Roydhouse | | |
1902–1902♀ Female Roydhouse | | |
| | 1850–1894♂ Thomas Roydhouse | | | | | 1812–1882♂ Thomas Roydhouse | | | | 1778–1858♂ Thomas Roydhouse | | | | 1752–1785♂ Daniel John Roydhouse | | |
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