Peter Helfrich
- 1880( = Descendancy chart to this point, = Expand, = Collapse)
- 1 Peter Helfrich [1] d. 31 Dec 1880
- Anna Maria Ferdinand b. 25 Feb 1837
- 2 Maria Eva Helfrich [1.1] b. 27 Dec 1860
- Johannes Dauenhauer b. 24 Jun 1856
- 3 Josef Dauenhauer [1.1.1] b. 8 Apr 1883
- 3 Franz Dauenhauer [1.1.2] b. 22 Oct 1885 d. 9 Feb 1893
- 3 Anna Dauenhauer [1.1.3] b. 31 May 1890
- + Karl Ludwig Behl b. 1888
- + Karl Ludwig Behl b. 1888
- 3 Marx Dauenhauer [1.1.4] b. 16 Aug 1891 d. 6 Mar 1893
- 3 Georg Dauenhauer [1.1.5] b. 26 Nov 1894
- Johannes Dauenhauer b. 24 Jun 1856
- 2 Josef Helfrich [1.2] b. 21 Dec 1863
- 2 Maria Eva Helfrich [1.1] b. 27 Dec 1860
- Anna Maria Ferdinand b. 25 Feb 1837