Retiefstraat 67 II, Amsterdam Previous house Next house Residents in February 1941 Maurits Wertheijm 1890 - 1943 Mina Wertheijm-Polak 1892 - 1943 Louis Wertheijm 1922 - 1945 Child of Maurits Wertheijm and his family date unknown Klara Kaas-Wertheijm 1918 - 1942 Joseph Boesman 1916 - 1943 Rachel Boesman-Wertheijm 1916 - 1942 Residents Michael da Costa Senior 1910 - 1942