Josef Mulaszewicz was born in Rutki Kossaki, Poland, 1916 to Pesakh and Rivka. He was a tailor and single. Prior to WWII he lived in Rutki Kossaki, Poland. During the war he was in Rutki Kossaki, Poland. Josef was murdered in the Shoah. Place of death: Rutki Kossaki, Poland, 1942.