Joseph Helfrich
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- 1 Joseph Helfrich [1]
- Maria Anna Kemper
- 2 Georg Anton Helfrich [1.1] b. 2 Dec 1902 d. Oct 1968
- Magdalena Ziegler b. 27 Jul 1900
- 3 Helfrich [1.1.1]
- 3 Helfrich [1.1.1]
- 2 Georg Anton Helfrich [1.1]