Leser Klagsbrun was born in Borowa, Poland, 1888 to Shimon and Sima. He was a merchant and married to Malka nee Zinger. Prior to WWII he lived in Mielec, Poland. During the war he was in Mielec, Poland. Leser was murdered in the Shoah. Place of death: Mielec, Poland, 1942.
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