Ruyschstraat 53 I, Amsterdam Previous house Next house Residents in February 1941 Nathan Polak 1897 - 1943 Henriette Polak-de Leeuwe 1893 - 1943 Abraham Polak 1925 - 1942 Louis Polak 1933 - 1943 Max Polak 1923 - 1943 Mina Polak 1927 - 1943 Clara Polak 1920 - 1942