Miriam Raisa Steinblat nee Wiernicka was born in Seroczyn, Poland, 1880 to Abraham Moses and Lea. She was a landowner and a widow of Yeshayahu. Prior to WWII she lived in Otwock, Poland. Miriam Raisa was murdered in the Shoah. Place of death: Otwock, Poland, 1941.
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