Jansje Beek was the fifth of the seven children of Philip Leon Beek and Rebecca Koren. In 1912 Jansje lived with her father and siblings Chrisje, Elisabeth and Jacob in the Eerste van Swindenstraat 76 1st floor in Amsterdam-East. Her mother had died in 1901 and her father passed away in 1916. Jansje Beek was suit seamstress and cutter in a textile factory and just as her sibs at home, unmarried.
Up from 1927 Jansje lived at Mesdagstraat 14 1st floor in Amsterdam-South, together with her sister Chrisje and cousin Rebecca Elizabeth Beek, a daughter of her broether Isaac Beek. Also her sister Eva, widowed from Jacque van Zwaanenburgh lived in there, together with her daughter Rebecca Louise van Zwaanenburgh.
Jansje Beek was arrested and carried off to concentration camp Vught in the night of 1 on 2 April 1943 and on 24 May she was sent to Westerbork, where she ended up in barrack 60. Already the next day, on 25 May 1943, She was put on transport to Sobibor and on arrival there on 28 May 1943, Jansje Beek was immediately murdered.
Sources include the City Archive of Amsterdam, archive card of Jansje Beek, residence card Amsterdam, Mesdagstraat 14 and the file cabinet of the Jewish Council, registration cards of Jansje Beek.