Berko Pasternak was born in Siemiatycze, Poland, 1914 to Moshe and Slova. He was a tailor and married to Khaia Sara nee Feferkrantz. Prior to WWII he lived in Siemiatycze, Poland. During the war he was in Siemiatycze, Poland. Berko was murdered in the Shoah. Place of death: Treblinka, Poland, 1942.
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