Emma Helene Helfrich
1913 - 2013 (100 years)(
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- 1 Emma Helene Helfrich [1] b. 30 Mar 1913 d. 2 Jul 2013
- Albert Zwick b. 13 Sep 1913 d. 29 Dec 1989
- 2 Helmut Zwick [1.1] b. 22 Nov 1935 d. 24 Jan 2018
- 2 Albert Zwick [1.2]
- 2 Winfried Zwick [1.3] b. 1940 d. 1963
- 2 Zwick [1.4]
- 2 Zwick [1.5]
- 2 Helmut Zwick [1.1]