Jcchak Fajnbuch was born in Konstantynów, Poland, 1912 to Mikhael and Rivka. He was a tailor and married to Khana. Prior to WWII he lived in Konstantynów, Poland. During the war he was in Konstantynów, Poland. Jcchak was murdered in the Shoah. Place of death: Warszawa, Poland, 1942.
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