Des Koch died in 1991.
Wilhelm Karl Koch has written: 'Definition des Begriffes \\'
Beate Koch was born in 1967.
Erland Koch was born in 1867.
Adrienne Koch was born in 1913.
Friedrich Koch was born in 1862.
Dagfinn Koch was born in 1964.
Valdemar Koch was born in 1852.
Dan Koch was born in 1983.
Hugo Koch was born in 1870.
Rickard Koch was born in 1976.
Franz Koch was born in 1898.