Family: KOCH, John M / HARTWIG, Norma Olive (F7544)
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KOCH, George W (1887- )
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PFETSCH, Anna C (1895- )
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KOCH, William D (1924- )  |
| HARTWIG, Felix Walter (1896-1958)
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| HERTEL, Marie P (1899-1993)
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| HARTWIG, William Herman (1922- ) |
| HARTWIG, Jeanette Carolyn (1924-1996) |
| KOCH, John M (1928-1986)
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| HARTWIG, Norma Olive (1930-2017)
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