Family: Ottmar Fröhlich / Elfriede Zwick (F121091)
Friedrich Fröhlich (1889-1965) 
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Anna Steigner (1898-1958)
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 | Richard Fröhlich (1934-1980)  |
| Johann Konrad Zwick (1901-1991)
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| Elfrieda Burkhart (1901-1959) |
| Karl-Heinz Zwick (1939-2020) |
| Winfried Zwick (1942-2020) |
| Ottmar Fröhlich (1927-1989)
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| Elfriede Zwick (1929-2005)
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