Topaasstraat 18 II, Amsterdam Previous house Next house Residents in February 1941 Izak Frenkel 1892 - 1969 Chrisje Frenkel-Prins 1893 - 1950 Alex Frenkel 1920 - 1942 Andries Frenkel 1918 - 1942 Esther van Staveren-Frenkel 1924 - 1943