Albero interattivo di James Christopher Cawthorn
1986–♂ James Christopher Cawthorn
1948–♂ Allan John Cawthorn
1953–♀ Jillian Mary Pennington
1924–2007♂ William Richard James Pennington
1927–2013♀ Iris Maud Gee
1885–1962♂ William Pennington
1888–1962♀ Jessie Ann McCrostie
1880–1956♂ Leonard Gee
1896–1987♀ Wilhelmina Anderson Low