Interactive tree of Mark David Roydhouse
1977–♂ Mark David Roydhouse
1953–2011♂ David Roydhouse
1952–♀ Irene Jones
1929–2005♂ William James Roydhouse
1932–2009♀ Jean Huteson
1886–1963♂ Arthur Roydhouse
1887–1976♀ Eliza Nicholson
1907–1974♂ Alred Tomlinson Huteson
1908–1997♀ Nellie Beadle
–♂ … Jones
–♀ … Hartley