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George Herbert Dettmer
![Male](img/tng_male.gif)
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- 1 George Herbert Dettmer [1] b. 10 Jun 1901 d. 5 Sep 1963
- + Isabel Constance Montgomery b. 8 Oct 1904 d. 9 Jun 1928
- + Isabel Constance Montgomery b. 8 Oct 1904 d. 9 Jun 1928