Christiaan de Wetstraat 56 II, Amsterdam Previous house Next house Residents in November 1942 Jacques Keizer 1878 - 1944 Regina Keizer-Bonn 1880 - 1944 Rosetta Keizer 1911 - 1942 Residents in February 1941 Anna Kollem-Blom 1886 - 1942 Daniël Kollem 1917 - 1943 Child of Widow Anna Kollem-Blom and her family date unknown Mina van de Kar-Kollem 1916 - 1943 Elisabeth Kollem 1911 - 1942 Carolina Kollem 1909 - 1942