Joubertstraat 6 I, Amsterdam Previous house Next house Residents in May 1940 Salomon Hakker 1898 - 1943 Elisabeth Hakker-Wijnschenk 1899 - 1943 Tobias Hakker 1940 - 1943 Abraham Hakker 1940 - 1943 Harry Hakker 1926 - 1942 Jacques Hakker 1923 - 1942 Mozes Hakker 1921 - 1942 Helena Hakker 1931 - 1943