Helena Polak was a daughter of Abraham Polak and Amalia Graaf. She was the widow of Michael Seijffers, board member for the Jewish community in Borculo, who had passed away in 1937. She had a daughter Johanna.
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In addition, a Jokos file (number 2152) on this household is at the Amsterdam Municipal Archive. Access is subject to authorization from the Stichting J…