Interactive tree of Joanna Mary Gill
–♂ Ella Leith
–♂ Ryan Leith
1969–♀ Joanna Mary Gill
–♂ Mark Leith
–♂ Winston Gill
1944–♀ Marilyn Robyn McCrostie
1917–1991♂ Charles Robertson McCrostie
1915–1994♀ Mary Elizabeth Mayne
1889–1952♂ Charles Robert McCrostie
1894–1946♀ Margretta Drain
1874–1919♂ William James Mayne
1878–1960♀ Emma Rowe