Interactive tree of Nicholas Francis Roydhouse
1988–♂ Nicholas Francis Roydhouse
1954–♂ Grant Anthony Roydhouse
1960–♀ Rita Maria Mc Grail
1909–1992♂ Donald Roydhouse
1920–1999♀ Audrey Isabella Cannon
1877–1943♂ Francis William Roydhouse
1883–1973♀ Muriel Blanch Crawley
1896–1972♂ Thomas Birkby Cannon
1900–1979♀ Anastasia Symons