Clara Cohen was the eldest daughter of Izaak Cohen and Elizabeth van Lier. She was born on 26 November 1867 in Rotterdam and came from a large family with a total of twelve children, of which seven brothers and sisters have died before the war; one brother survived the Holocaust but Clara self and her brothers Salomon, Levie and Charles have died during the war period 1940-1945.
Clara Cohen was unmarried. She lived at home with her parents at Veemarkt in Rotterdam, where her father runned a butchery and also traded in live stock. On 12 February 1923 Clara left Rotterdam for Utrecht where she stayed only a few months. On 19 April she returned in Rotterdam. On 3 November 1926 she moved to Etten Leur (province of Noord Brabant) where she was admitted in the Sint Antonius Asylum, an psychatrice institution for elderly care (till ± 1910), psychiatry, care for mentally retarded and for epileptics. There she died on 12 December 1941 at the age of 74.
Sources include the City Archive of Rotterdam, family registration card of Izaak Cohen, website bhic.nl/pychiatric asylum Sint Antonius in Etten Leur and the death certificate from the Branbants Historisch Informatie Centrum, Civil Registry, passing of Clara Cohen, Source: book volume: 200, Period: 1941, Etten-Leur, archive entrance 405, inventory number 200, Death register 1941, deed number 142 dated 13 Dec 1941.