Branches of the Callendar family
- Herman Callendar – Martha Richardson –
- Beatrice May Louise Callendar 1929–1996 Wilfred Charles Henry Dill 1922–2003
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- Beatrice May Louise Callendar 1929–1996 Wilfred Charles Henry Dill 1922–2003
- … Callendar – Inez May Simons 1920–1990
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