| 1. David Louis Schwengler |
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| B: |
11 Sep 1949 |
| P: |
Bismarck, Burleigh County, North Dakota, USA |
| D: |
22 Nov 2005 |
| P: |
Bismarck, Burleigh County, North Dakota, USA |
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| 2. Louis Schwengler |
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| B: |
6 Feb 1922 |
| P: |
Solen, Sioux County, North Dakota, USA |
| M: |
19 Oct 1948 |
| P: |
Bismarck, Burleigh County, North Dakota, USA |
| D: |
16 May 2010 |
| P: |
Bismarck, Burleigh County, North Dakota, USA |
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| 4. Adam Valentin Schwengler |
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| B: |
29 Sep 1889 |
| P: |
Odessa, Ukrayina |
| M: |
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| D: |
4 Aug 1977 |
| P: |
Mandan, Morton County, North Dakota, USA |
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| 5. Regina Heintz |
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| B: |
18 Sep 1891 |
| P: |
Odessa, Ukrayina |
| D: |
2 Dec 1924 |
| P: |
Solen, Sioux County, North Dakota, USA |
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| 3. Frances Alene Oster |
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| B: |
5 May 1927 |
| P: |
Eureka, McPherson County, South Dakota, USA |
| D: |
26 Jun 1991 |
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| 6. Julius Oster |
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| B: |
30 Aug 1903 |
| P: |
South Dakota, USA |
| M: |
12 Nov 1923 |
| P: |
South Dakota, USA |
| D: |
8 Nov 1983 |
| P: |
Hettinger, Adams County, North Dakota, USA |
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| 7. Emilia Hoff |
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| B: |
5 Feb 1907 |
| P: |
Eureka, McPherson County, South Dakota, USA |
| D: |
10 Apr 1990 |
| P: |
Hettinger, Adams County, North Dakota, USA |
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| 14. John Hoff |
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| B: |
13 Oct 1885 |
| P: |
Eureka, McPherson County, South Dakota, USA |
| M: |
14 Feb 1906 |
| P: |
South Dakota, USA |
| D: |
24 Jun 1950 |
| P: |
South Dakota, USA |
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| 15. Fredericka Holzwarth |
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| B: |
23 Nov 1886 |
| P: |
Eureka, McPherson County, South Dakota, USA |
| D: |
4 Nov 1933 |
| P: |
South Dakota, USA |
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1949 - 2005 (56 years)