Obreenstraat 26 a, Rotterdam Previous house Next house Residents in October 1942 Herman David Spier 1874 - 1942 Selina Spier-Koster 1878 - 1942 Salomon Heijman Spier 1906 - 1942 Alida Henriette Spier 1915 - 1942 Residents in April 1942 Abraham van Zanten 1879 - 1942 Henriette van Zanten-Koster 1880 - 1942 Salomon van Zanten 1915 - 1942 Mietje Henriette Knap-van Zanten 1921 - 1942