Jan Blankenstraat 99, Den Haag Previous house Next house Residents in April 1942 Salomon Blok 1889 - 1943 Schoontje Blok-Turfrijer 1891 - 1942 Joseph Blok 1921 - 1942 Residents in April 1942 Joseph Hekster 1914 - 1943 Heintje Hekster-Blok 1916 - 1943 Residents in April 1942 Aaltje Tonninge-Wolff 1893 - 1943 Abraham Tonninge 1921 - 1943 Helena Tonninge 1925 - 1943 Dora Tonninge 1925 - 1943