Dorthea Witt
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- 1 Dorthea Witt [1]
- Matthias Riessen
- 2 Lena Riessen [1.1]
- August Kossack
- 3 Ida Kossack [1.1.1] d. 1924
- 3 Ida Kossack [1.1.1]
- 2 Private [1.2]
- + Gustav Roelke d. 30 May 1937
- + Gustav Roelke d. 30 May 1937
- 2 Katie Riessen [1.3]
- 2 Lena Riessen [1.1]