Lena Barend was a daughter of Gerrit Barend and Heintje Visser. She was born on 13 April 1909 in Amsterdam and married there Joseph Polak on 20 November 1940, a son of Aron Polak and Rosette van Straten and who was born in Amsterdam on 13 September 1915. Lena and Joseph had a son on 8 September 1941…