Interactive tree of Peter Collingwood
1955–♂ Peter Collingwood
–♀ Melanie Tatchell
1924–1996♂ Trevor Carlton Collingwood
–♀ Ruth Leney
1894–1984♂ Guy Carlton Collingwood
1893–1965♀ Marjorie Watson Pennington
1865–1893♂ William Tipping Pennington
1861–1917♀ Annie Amelia Watson