Vaalrivierstraat 5 huis, Amsterdam Previous house Next house Residents in February 1941 Isaäc Polak 1907 - 1943 Anna Polak-Boas 1909 - 1943 David Polak 1936 - 1943 Elias Polak 1930 - 1943 Betty Polak 1932 - 1943 Rachel Polak 1928 - 1943