Interactive tree of James Griffith Gregory
1912–1913♂ Wlliam Frederick Witton
1913–2004♂ Leonard James Witton
1914–1988♀ Irene Louise M. Witton
1893–1972♂ Luka Bilas
1915–1916♂ Godfrey Joseph Witton
1917–1992♀ Phyllis Agnes Witton
–♂ … Stanisich
1918–1919♀ Ethel Teresa Witton
1920–2005♂ Wilfred Laurence Witton
1922–♀ Kathleen Joyce Witton
–♂ … Taylor
1928–♀ Veronica M. Witton
1889–1978♀ Matilda Mary Gregory
1887–1954♂ William Thomas Witton
1861–1936♂ James Griffith Gregory
1867–1913♀ Mary Ann Frost
–♀ Bessie Alice Gray