Vivian Zwick
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Johannes Zwick
1834-1910
1834-1910
Christina Wolfer
1844-1932
1844-1932
Nicholas J. Zwick
1865-1928
1865-1928
Emma A. Nemetz
1872-1945
1872-1945
Oscar John Zwick
1900-1987
1900-1987
Viola Downing
1899-1982
1899-1982