Family: Otto Zwick / Magdalena Fröhlich (F122795)
Johannes Fröhlich (1870- ) 
|
Theresia Bereswill (1872- ) |
Edmund Fröhlich (1911- )  |
| Otto Fröhlich (1901-1963) |
| Eduard Fröhlich (1902-1955) |
 | Ludwig Fröhlich (1908-1965) |
 | Otto Zwick (1902- ) |
 | Magdalena Fröhlich (1904-1986)
|
| Lydia Zwick (1925-2015) |
| Luise Zwick (1927-2005) |
| Otto Zwick (1929-2008) |
 | Werner Zwick (1939-2014) |