Valckenierstraat 57 huis, Amsterdam Previous house Next house Residents in February 1941 Chiel Kronkopf 1895 - 1944 Rachel Kronkopf-Groen 1898 - 1943 Aäron Kronkopf 1937 - 1943 Henny Kronkopf 1927 - 1943 Clara Kronkopf 1930 - 1943