Pietro Koch was born on August 18, 1918, in Benevento, Campania, Italy.
Max Koch died in 1925.
Franz Koch died in 1959.
Des Koch died in 1991.
Rudolf Koch died in 1934.
Ehrhardt Koch died in 1954.
John Koch died in 1978.
Kenneth Koch died in 2002.
Bodil Koch died in 1972.
William A. Koch died in 2001.
Adrienne Koch died in 1971.
Hugo Koch died in 1928.