Johann Kovalski
1899 - Bef 1943 (< 43 years)(
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- 1 Johann Kovalski [1] b. 21 Apr 1899 d. Bef 1943
- + Katharina Flatt b. 18 Mar 1896
- + Katharina Flatt b. 18 Mar 1896
Flatt-Sides-Bates
Includes Flatt DNA Project trees
1899 - Bef 1943 (< 43 years)