Jan van Avennesstraat 38 a, Rotterdam Previous house Next house Residents in April 1942 Joseph Blok 1902 - 1943 Betje Klara Blok-Levi 1901 - 1943 Jacob Louis Blok 1942 - 1943 Simon Jacob Blok 1931 - 1943 Henrietta Mietje Blok 1936 - 1943 Meier Levi 1914 - 1943