Schumacher
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Karl C. Schumacher
1850-1916
1850-1916
Margaret Glaser
1859-1934
1859-1934
Sylvester Ambrose Schumacher
1882-1969
1882-1969
Wilhelmina Glessenkamp
1888-1963
1888-1963
Frederick William Schumacher
1920-2004
1920-2004