Lena Barend, born 11 October 1909 in Amsterdam to Samuel Barend and Esther van Ploeg, married 16 December 1936 in Amsterdam Hijman Kool, born 27 August 1909 in Amsterdam, son of Mozes Kool and Esther Blits. Lena worked as an office clerk in the diamond trade and Hijman was a diamond polisher. On 9 November 1940 the couple had one son: Max, who survived the Holocaust. After the war he has been adop…