Vijverhofstraat 33 b, Rotterdam Previous house Next house Residents in December 1934 – October 1941 Jacob Cohen de Heer 1877 - 1942 Rosetta Cohen de Heer 1910 - 1942 Residents in October 1934 – October 1941 Grietje Rosa Cohen de Heer 1908 - 1942 Residents in January 1933 – April 1938 Jacob Cohen de Heer 1912 - 1942