Bert Koch is 176 cm.
Bettina Koch is 168 cm.
Birgit Koch is 168 cm.
Colby Koch is 6' 2".
Evan Koch is 6' 5".
Federico Koch is 178 cm.
Harald Koch is 180 cm.
Ralf Koch is 5' 8".
Rod Koch is 6' 2".
Valerie Koch is 170 cm.
Romi Koch is 5' 9".
Erinn Koch is 5' 5".