Vrouwtje Bierman was the daughter of Mozes Bierman and Rosalie de Leeuwe. She was born on 31 January 1911 in Amsterdam and started working as a seamstress. She married Jacob Slösser on 22 January 1931, who was born on 8 May 1903 in Amsterdam as the son of Izaak Slösser and Roosje Frankvoorder. Jacob and Vrouwtje had two children together, namely Isaac on 10 June 1931, and Mozes, who followed on 18…