Family: Johannes Zwick / Gertrud Schnetzer (F27100)
m. 1887Joseph Zwick (1820-1873) 
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Magdalena Jochem (1822- )
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Dorothea Zwick (1849- )  |
| Franz Joseph Schnetzer (1834- )
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| Katharina Schlink (1832- )
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| Gertrud Schnetzer (1861-1904)
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| Johannes Zwick (1862-1935)
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| Madeline Zwick (1888-1974) |
| Gertrude Zwick (1890-1970) |
| Andrew John Zwick (1891- ) |
| Anna Elizabeth Zwick (1893- ) |
| Josephine Zwick (1895-1967) |
| Charlotte Maria Zwick (1896-1987) |
| Maximillian William Zwick (1898-1941) |
| Joseph Frank Zwick (1899- ) |
| Catherine Zwick (1902-1902) |