Árvore interativa de Robyn Suzanne Parker

1973–♀ Robyn Suzanne Parker

1946–♂ Kenneth Eber Parker

1948–♀ Gillian Anne Stroud

1915–1999♂ Godfrey Herbert Stroud

1915–1985♀ Mary Bethea Steel

1884–1965♂ James Steel

1886–1950♀ Grace Booth