1881–♀ Ethel M. Roydhouse | | |
1882–♀ Florence Roydhouse | | |
| | 1911–♀ Elleen V. Roydhouse | | |
1943–♂ Howard Macpherson Roydhouse Jr 1926–1975♀ Marjorie S. Simpson | | |
| | 1944–2007♂ Kenneth Edmund Roydhouse | | |
| | 1915–1991♂ Howard Macpherson Roydhouse II | | |
| | 1884–1955♂ Howard Macpherson Roydhouse 1887–1973♀ Sadie Estelle Timmons | | |
| | 1853–1911♀ Ida Virginia Macpherson 1846–1934♂ George W. Roydhouse | | | | | 1817–1850♂ John Roydhouse | | | | 1785–1851♂ John Roydhouse 1798–1846♀ Francis Parkinson | | | | 1752–1792♂ Matthew Roydhouse 1756–1796♀ Rebecca Richardson |
| | | 1776–1844♂ Francis Parkinson 1777–1868♀ Margaret Sharp | | |
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