Mosze Lejb Bursztyn was born in Rutki Kossaki, Poland, 1886 to Gitel. He was a shoemaker and married to Breina. Prior to WWII he lived in Rutki Kossaki, Poland. During the war he was in Rutki Kossaki, Poland. Mosze Lejb was murdered in the Shoah. Place of death: Treblinka, Poland, 1943.