| 1. Sommerfeld, Gustav Herrmann |
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| *: |
27 Apr 1853 |
| in: |
,, Pommern, Deutschland |
| +: |
3 Aug 1919 |
| in: |
Newman Grove, Madison County, Nebraska, USA |
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| 2. Sommerfeld, Christian |
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| *: |
um 1820 |
| in: |
,, Preußen, Deutschland |
| oo: |
geschätzt 1842 |
| in: |
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| +: |
Datum unbekannt |
| in: |
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