Mietje Polak was the widow of David Roos, who died in 1936. The couple had four children. Their daughter Bertha was married to Aron Prins. The two of them lived in the same house as Mietje Polak. The three other children survived the war. One son-in-law, Naftali Hartog de Vries did not survive.
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Mietje is een dochter van Calmer Polak en Barta Roos. Ze trouwde 9 juli 1902 met David Roos (Coevorden, 21 januari 1874)
Bron wiewaswie.nl (geboorte en huwelijk Mietje Polak)
In addition, a Jokos file (number 50002 and 50300) on this household is at the Amsterdam Municipal Archive. Access is subject to authorization from the Stichting Joods Maatschappelijk Werk.