Nieuwe Keizersgracht 51 huis, Amsterdam Previous house Next house Residents in February 1941 Wolf Kern 1878 - 1944 Partner of Wolf Kern and his family date unknown Jonasz Kern 1918 - 1941 Abraham Izak Kern 1923 - 1941 Head of Hauser and his family date unknown Etla Hauser-Silfen 1882 - 1943