Nathan Polak was a son of Hartog Polak and Rozetta Hijmans. He married in Amsterdam on 22 January 1913 to Sientje Coster, daughter of Mozes Abraham Coster and Susanna Bachrach. The couple had two children together: Susanna and Rozetta. The latter has surived the Holocaust. Sientje Coster passed away on 4 May 1927 and Nathan married again on 18 January 1928 to Sientje's sister Eva.
City Archive of Amsterdam, archive card of Nathan Polak and website wiewaswie.nl.
Biography