| 1. John Charles Koch |
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| F: |
21 Nov 1939 |
| S: |
Oshkosh, Winnebago County, Wisconsin, USA |
| D: |
9 Feb 2020 |
| S: |
Oshkosh, Winnebago County, Wisconsin, USA |
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| 2. Clarence H. Koch |
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| F: |
1913 |
| S: |
Oshkosh, Winnebago County, Wisconsin, USA |
| G: |
1938 |
| S: |
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| D: |
18 Apr 1972 |
| S: |
Oshkosh, Winnebago County, Wisconsin, USA |
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| 4. John Henry Koch |
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| F: |
8 Feb 1885 |
| S: |
Winnebago County, Wisconsin, USA |
| G: |
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| D: |
26 Nov 1971 |
| S: |
Oshkosh, Winnebago County, Wisconsin, USA |
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| 5. Anna Leorna Thoreson |
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| F: |
2 Jul 1888 |
| S: |
Clintonville, Waupaca County, Wisconsin, USA |
| D: |
12 Mar 1979 |
| S: |
Oshkosh, Winnebago County, Wisconsin, USA |
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| 3. Malinda Anna Amanda Hubrig |
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| F: |
1 Jan 1914 |
| S: |
Omro, Winnebago County, Wisconsin, USA |
| D: |
9 Aug 2005 |
| S: |
Winneconne, Winnebago County, Wisconsin, USA |
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1939 - 2020 (80 år)