Family: Heinrich Karl Zwick / Maria Knerr (F119249)
Karl Ludwig Zwick (1873- ) |
Elisabeth Diedenhofer (1875- ) |
Heinrich Karl Zwick (1896-1953) 
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| Maria Knerr (1895-1977) |
Hans Werner Zwick (1921-1982)  |
| Sylvia Hermine Zwick (1922-1998) |
| Alfred Eugen Zwick (1931-1989) |