Aser Anszel Elieser Kociak was born in Piatnica, Poland, 1873 to Avraham and Sara. He was a teacher and married to Malka nee Grosman. Prior to WWII he lived in Grajewo, Poland. During the war he was in Grajewo, Poland. Aser Anszel Elieser was murdered in the Shoah. Place of death: Auschwitz, Poland.
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