1900–♂ Noel Bagshaw Lister | | |
1907–1982♂ Earnest Alfred Willey | | |
1910–1939♀ Phyllis Mary Willey 1907–♂ Arthur Reginald Willows | | |
1912–1976♂ Geoffrey Willey | | |
| | 1884–1926♀ Gertrude Roydhouse 1879–♂ Thomas Alfred Willey | | |
1946–♂ John E. Ravenscroft | | |
| | 1920–♀ Margaret S. Roydhouse –♂ Raymond G. Ravenscroft | | |
| | 1885–1955♂ Henry Bryant Roydhouse 1883–1964♀ Susan Richardson | | |
1950–♀ Judith A. Roydhouse | | |
| | 1927–1974♂ Clifford Roydhouse | | |
| | 1889–1958♂ Albert Edward Roydhouse 1893–1964♀ Lilian Sidwell | | |
1896–1918♂ Charles Joseph Roydhouse | | |
| | 1956–♀ Helen E. Roydhouse | | |
| | 1959–♂ Charles Richard S. Roydhouse | | |
| | 1927–1985♂ Stuart Walker Roydhouse | | |
1934–1934♂ John Roydhouse | | |
| | 1899–1945♂ Harold Bryant Roydhouse | | |
| | 1861–1922♀ Catherine Ann Welburn 1857–1933♂ Edward Roydhouse | | |