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Koch Johann Michael 1771 - 1857
 | Bernhardt Christiana Friedericka 1780 - 1851
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Koch Carl Friedrich* I 1812 - 1877
  | Letsch Friedericke 1809 - 1886
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Koch Carl Friedrich II 1842 - 1919
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Partner | Kinder |
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Wilhelm Theresie (1846 - 1912) | Koch Minna Auguste (1868) Koch Marie Martha (1870) Koch Carl Hermann (1874 - 1874) Koch Carl Huldreich (1880) Koch Anna Olga (1882)
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