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Arthur Harold Koch
AK
August
Koch
1860–1937
KS
Katherina
Schmidt
1865–1912
William
Koch
1888–1970
AK
Arthur
Koch
1894–1931
Ethel
Koch
1896–1965
Florence
Koch
1898–1919
Charles
Koch
1899–1972
Norman
Koch
1891–1899
Edward
Koch
1890–1891
+7 more