| 1. Christoph Gottfried Kortge |
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| B: |
18 Feb 1850 |
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Salchau, Altmarkkreis, Salzwedel, Sachsen-Anhalt, Germany |
| D: |
29 May 1929 |
| P: |
Midland, Midland, Michigan, USA |
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| 2. Christoph Karl Koertge |
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| B: |
30 May 1811 |
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Letzlingen, Altmarkkreis, Salswedel, Saxony-Anhalt, Germany |
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26 Jul 1871 |
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Bopas, Richland, Illinois, USA |
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| 4. Ludwig Heinrick Christoph Koertge |
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| B: |
7 Jan 1774 |
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Letzlingen, Altmarkkreis, Salswedel, Saxony-Anhalt, Germany |
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| D: |
29 Oct 1881 |
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Salchau, Altmarkkreis, Salzwedel, Sachsen-Anhalt, Germany |
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| 5. Margaretha Elisabeth Flemming |
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| B: |
7 Dec 1776 |
| P: |
Altmarkkreis, Salswedel, Saxony-Anhalt, Germany |
| D: |
27 Sep 1843 |
| P: |
Salchau, Altmarkkreis, Salzwedel, Sachsen-Anhalt, Germany |
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| 3. Anna Dorothea Elisabeth Schmidt |
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| B: |
23 May 1821 |
| P: |
Letzlingen, Altmarkkreis, Salswedel, Saxony-Anhalt, Germany |
| D: |
19 Feb 1890 |
| P: |
West Salem, Edwards, Illinois, USA |
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| 6. Johann Friederick Schmidt |
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| B: |
Abt 1785 |
| P: |
Germany |
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13 May 1821 |
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Letzlingen, Altmarkkreis, Salswedel, Saxony-Anhalt, Germany |
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| 7. Anna Elisabeth Michaelis |
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| B: |
29 Nov 1781 |
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Warnemünde, Rostock, Mecklenburg-Vorpommern, Germany |
| D: |
6 Dec 1837 |
| P: |
Germany |
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| 14. Johannes Ludwig Michael |
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| B: |
5 Nov 1752 |
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Elsoff, Siegen-Wittgenstein, Nordrhein-Westfalen, Germany |
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| D: |
6 May 1793 |
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Germany |
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| 15. Christina Grauel |
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| B: |
29 Jun 1752 |
| P: |
Elsoff, Siegen-Wittgenstein, Nordrhein-Westfalen, Germany |
| D: |
18 Apr 1814 |
| P: |
Germany |
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1850 - 1929 (79 years)