Lena Polak, the eldest daughter of Jonas Polak and Marianne Schouten, was born in Amsterdam on 21 September 1918, when her parents lived in with Marianne’s father Barend Schouten at Joden Houttuinen 72 2nd floor. Her sister Sara was born in 1922, when the Polak family had been moved to Weesperstraaqt 35 2nd floor. In 1929 the family moved into a house at the 1st floor of the Retiefstraat 110. Befo…