Anna Koch
1891 - 1981 (89 years)(
= Descendancy chart to this point, 
= Expand, 
= Collapse)
- 1 Anna Koch [1] b. 16 Dec 1891 d. 1981
- Matthias Helfrich b. 15 Jan 1891 d. 1979
- 2 Emma Helene Helfrich [1.1] b. 30 Mar 1913 d. 2 Jul 2013
- Albert Zwick b. 13 Sep 1913 d. 29 Dec 1989
- 3 Helmut Zwick [1.1.1] b. 22 Nov 1935 d. 24 Jan 2018
- 3 Albert Zwick [1.1.2]
- 3 Winfried Zwick [1.1.3] b. 1940 d. 1963
- 3 Zwick [1.1.4]
- 3 Zwick [1.1.5]
- 3 Helmut Zwick [1.1.1]
- 2 Eugen Helfrich [1.2] b. 7 Oct 1914 d. 18 Sep 1941
- 2 Heinrich Helfrich [1.3] b. 18 Jul 1920 d. 23 Apr 1941
- 2 Emma Helene Helfrich [1.1]