Beth Posner, daughter of Jacob Posner and Rebecca Malkin, married 30 July 1942 in Rotterdam Hugo Julius van Dam, a son of Salomon van Dam and Diena Sternfeld. Since her marriage, Beth lived at Statenweg 84 c, the address of her husband and parents-in-law, till the moment that Beth and her spouse Hugo were deported to Auschwitz 18 January 1943. They were killed there 21 January 1943.
City Archive of Rotterdam, family registration cards of Salomon van Dam and Jacob Posner; the file cabinet of the Jewish Council, registration cards of Beth Posner and Hugo Julius van Dam and an addition of a visitor of the website.