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Ertel Johann Daniel Christian 1818 - 1887
 | Martens Amalie Dorothea Christine 1822 - 1893
 | Menzel Eduard
 | Rietz Carolin Charlotte
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Ertel Karl Friedrich Christian 1851 - 1908
  | Menzel Caroline Charlotte Emma 1856 - 1919
  | Gierspeck Peter 1843 - 1922
 | Müller Friedericke 1851 - 1933
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Ertel Friedrich Karl Max 1877
  | Gierspeck Friedericke Emma 1879 - 1945
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Ertel Karl Max Fritz 1902
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Partner | Kinder |
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Döhnes Anna | Ertel Fritz  Ertel Frieda  Ertel Helmut  Ertel Gertraud  Ertel Anneliese 
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