Biesboschstraat 50 II, Amsterdam Previous house Next house Residents in February 1941 Helena van Gelderen-de Vries 1873 - 1943 Izaak van Gelderen 1910 - 1942 Selma van der Lijn-van Gelderen 1915 - 1943 Family member of Helena van Gelderen-de Vries and her family date unknown Residents in February 1941 Rachel Roosje van Coevorden 1915 - 1943 Roosje Annetta van Coevorden 1916 - 1944