Pietro Koch was born on August 18, 1918, in Benevento, Campania, Italy.
Adrienne Koch died in 1971.
Valdemar Koch died in 1902.
Hugo Koch died in 1928.
Pyke Koch died in 1991.
Adolf Koch died in 1970.
Ehrhardt Koch died in 1954.
Des Koch died in 1991.
Rudolf Koch died in 1934.
Gaetano Koch died in 1910.
William A. Koch died in 2001.
Ernő Koch died in 1970.