Friedrich Wilhelm Waschkau
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- 1 Friedrich Wilhelm Waschkau [1]
- Marie Beresnewitz
- 2 Gertruda Elisabeth Waschkau [1.1] b. Between 1892 and 1893
- + Jan Marinus Dieleman b. 16 May 1890 d. 1945
- + Jan Marinus Dieleman b. 16 May 1890 d. 1945
- 2 Gertruda Elisabeth Waschkau [1.1]