Niersstraat 51 I, Amsterdam Previous house Next house Residents in February 1941 Arthur Grünewald 1898 - 1944 Regina Grünewald-Orlean 1900 - 1944 David Ludwig Henri Grünewald 1942 - 1944 Residents in September 1942 – May 1943 Herto Davidsohn 1879 - 1943 Johanna Davidsohn-Ascher 1874 - 1943