Gerrit Polak was a son of Levie Meijer Polak and Vrouwtje Bruske. He married in Amsterdam on 21 April 1909 to Flora Tas and he had four sons with her, among them Salomon Polak. Flora however passed away on 6 October 1920 and Gerrit remarried on 25 August 1921 to her sister Sara Tas.
With her he had another son Philip in 1922.
City archive of Amsterdam, archive card of Gerrit Polak.
Biography