Johannes Hermanus Barend Koekkoek . Aliases: Johannes Hermananus Berend Koekkoek; Johannes Hermanus Berend Koekkoek; Hermanns P. Koekoek; Hermans P. Koekkoek ( 1840 - 1912 ) was a Dutch marine and landscape painter. Johannes Hermanus Barend Koekkoek s works have been put up for auction numerous times, with realized prices surpassing estimated prices, varying from 1866.63 USD for FISHERMEN ON THE