Israel Yitzkhak Bloch was born in Brzostek, Poland, 1876 to Hilel and Nesia Rivka. He was a leather merchant and married to Tzluva Ita nee Deitelbaum. Prior to WWII he lived in Lacko, Poland. During the war he was in Stary Sacz, Poland. Israel Yitzkhak was murdered in the Shoah.
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