Zwart Janstraat 43 a, Rotterdam Previous house Next house Residents Hester Kleinkramer-Park 1892 - 1942 Emanuel Joseph Kleinkramer 1921 - 1943 Betje Kleinkramer 1917 - 1942 Residents in June 1940 – October 1942 Emanuel Joseph Park 1867 - 1942 Sara Park 1894 - 1942 Residents in June 1940 – July 1942 Jetje Park-van Leeuwen 1867 - 1942