Van Boetzelaerstraat 31, Alphen aan den Rijn Previous house Next house Residents in April 1942 Siegfried Weinberg 1906 - 1945 Partner of Siegfried Weinberg and his family date unknown Dora Marcus-Weingarten 1874 - 1942 Child of Siegfried Weinberg and his family date unknown Siegmund Cohen 1874 - 1943 Olga Cohen-Goudberg 1885 - 1943