Maria Hartmann
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- 1 Maria Hartmann
- Friedrich Neumann
- 2 Pauline Neumann b. 1 Jan 1866 d. Yes, date unknown
- Adam Stengert b. 7 Apr 1867 d. Yes, date unknown
- 3 Emma Stengert b. 26 Dec 1888 d. Yes, date unknown
- + Eduard Koch b. 20 Sep 1880 d. Sep 1938
- + Eduard Koch b. 20 Sep 1880 d. Sep 1938
- 3 Emma Stengert
- 2 Pauline Neumann