Interactive tree of Philip M. Hollowday
1982–♂ Davis Michael Hollowday
1985–♀ Sarah Elizabeth Hollowday
1950–♂ Philip M. Hollowday
1953–♀ Jane C. Thurwell
1924–1990♂ Robert Reginald Hollowday
1925–♀ Kathleen M. Roydhouse
1895–1960♂ Gilbert Hollowday
1897–♀ Gladys Phillips
1896–1983♂ Charles Ernest Roydhouse
1899–1992♀ Vera Stancer
1854–1900♂ William Clark Roydhouse
1855–1932♀ Elisabeth Harrison
1872–♂ Edward Stancer
1874–♀ Isabella Annie Davis
1922–♂ Norman G. Thurwell
–♀ Doris Salmon
–♂ … Thurwell
–♀ … Firth