Szlomo Knopmacher was born in Wlodawa, Poland to Nakhum. He was an agriculturist and married to Sara nee Feferkorn. Prior to WWII he lived in Kolacze, Poland. During the war he was in Kolacze, Poland. Szlomo was murdered in the Shoah. Place of death: Sobibor, Poland, 1942.
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