Govert Flinckstraat 139 huis, Amsterdam Previous house Next house Residents in February 1941 Siegfried Blumenthal 1885 - 1943 Sophie Blumenthal-Dillenberg 1888 - 1943 Helmut Blumenthal 1929 - 1943 Kurt Blumenthal 1927 - 1943 Walter Blumenthal 1923 - 1942 Gunter Blumenthal 1925 - 1942