Family: Reinhold Hermann Zwick / Ira Danwald (F119251)
Heinrich Karl Zwick (1896-1953) 
|
Maria Knerr (1895-1977) |
Hans Werner Zwick (1921-1982)  |
| Sylvia Hermine Zwick (1922-1998) |
| Alfred Eugen Zwick (1931-1989) |
| Heinrich Karl Zwick (1896-1953)
|
| Maria Knerr (1895-1977) |
| Hans Werner Zwick (1921-1982) |
| Sylvia Hermine Zwick (1922-1998) |
| Alfred Eugen Zwick (1931-1989) |