Family: John Frederick Koehler / Marian Mertz (F125999)
m. 14 Mar 1931Karl Köhler Koehler (1873- ) |
Louisa Ann Unknown (1876- ) |
Ernest Mertz (1887-1968) 
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| John Frederick Koehler (1906-1979)
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| Marian Mertz (1912-1978)
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Rita Anne Koehler (1932-2010)  |