Vrolikstraat 311 III, Amsterdam Previous house Next house Residents in April 1943 Samuel Boas 1907 - 1944 Clarisse Boas-Beer 1906 - 1943 Herman Boas 1934 - 1943 Louis Boas 1934 - 1943 Residents in February 1941 Mozes Barnstein 1877 - 1942 Hartog Barnstein 1912 - 1941 Residents in May 1940 Herman Nathan Beer 1873 - 1940 Rebecca Beer-Cohen 1882 - 1943