1946–♂ John E. Ravenscroft | | |
| | –♂ Raymond G. Ravenscroft 1920–♀ Margaret S. Roydhouse | | | | 1885–1955♂ Henry Bryant Roydhouse 1883–1964♀ Susan Richardson | | | | 1857–1933♂ Edward Roydhouse 1861–1922♀ Catherine Ann Welburn | | | | 1812–1882♂ Thomas Roydhouse | | | | 1778–1858♂ Thomas Roydhouse | | |
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