Interactive tree of Ivan R. Davies
1955–♂ Richard P. Davies
1956–♂ Alan J. Davies
1961–♂ Christopher P. Davies
1927–2015♂ Ivan R. Davies
1932–♀ Elizabeth Roydhouse
1884–1947♂ Charles J. Davies
–♀ Olive A. Ward
1894–1982♂ Tom Roydhouse
1894–1973♀ Kathleen May Billany
1854–1900♂ William Clark Roydhouse
1855–1932♀ Elisabeth Harrison
1822–1901♂ James Roydhouse
1831–1880♀ Ann Johnson
1778–1858♂ Thomas Roydhouse
1786–1842♀ Jane Cross
1823–1874♂ Mark Harrison
1823–1906♀ Jane Jackson
1849–1913♂ John Henry Billany
1868–1946♀ Catherine Sproxton