Interactive tree of Joan M. Gathercole
1923–♀ Joan M. Gathercole
–♂ William Eric Gathercole
1893–1993♀ Majorie Lillian Cattley
1863–1900♂ Herbert Toutmin Cattley
1862–♀ Lilian Pennington
1819–1914♂ Frederick Pennington
1828–1928♀ Margaret Landell Sharpe