Interactive tree of Riley Richard Nelson
1991–♂ Riley Richard Nelson
–♀ Ashley Diack
–♂ Paul Nelson
1957–♀ Wendy Helm Roydhouse
1929–2003♂ Richard Helm Roydhouse
1930–1987♀ Lois Lorraine Pope
1887–1974♂ Arthur Payton Roydhouse
1890–1975♀ Dorothy Booth
1904–1997♂ Frank Pope
1902–1951♀ Dorothy K. E. Groves