Friedrich Nikolaus Helferich
1805 - (
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- 1 Friedrich Nikolaus Helferich [1] b. 1805
- Luisa Christina Ottnat b. 1807
- 2 Joseph Jakob Helferich [1.1] b. 15 Oct 1829
- 2 Friedrich August Theodor Helferich [1.2] b. 26 May 1831
- 2 Ludwig Daniel Helferich [1.3] b. 4 Apr 1833
- 2 Joseph Jakob Helferich [1.1]