Abraham Polak was a son of Levie Polak and Grietje Slap. He married in Amsterdam on 6 December 1917 to Duifje Brilleslijper, daughter of Isaac Brilleslijper and Naatje Kool.
His other siblings, who also were killed during the Holocaust were Klaartje, Hijman, Rebecca, Esther and Meijer.
City Archive…
In addition, a Jokos file (number 51479) on this family is at the Amsterdam Municipal Archive. Access is subject to authorization from the Stichting Joods Maatschappelijk Werk.