Rebekka Polak was a daughter of Levie Polak and Elisabeth Kuijper. She married Comprecht Cohen, a teacher from Delfzijl, on 13 August 1914 in Groningen, a son of Levie Polak and Frouwke de Jonge. per 14 April 1914 she resided with her husband in Den Haag at Fahrenheitstraat 371. As far as has been researched, the couple had no children. Her father Levie Polak passed away on 2 October 1937 in Groningen and her mother died in Groningen too, on 29 January 1943. Rebekka and her husband Comprecht have been killed together on 29 October 1942 in Auschwitz.
Rebecca had a brother Hartog, who was married to Hanna Cutzien. He was killed in Auschwitz too on 28 January 1944, together with his wife.
Municipal Archive of Den Haag, family registration card of Comprecht Cohen and websites www.allegroningers.nl and www.wiewaswie.nl