Israel Jacob Zangen was the youngest son of Mendel Zangen and Reizel Araten. His mother was widowed already at a young age when his father died in 1904 at the age of 36. After the birth of his eldest sister in Warschau, the Zangen family moved to Rozwadow in the district of Subkarpaten in the South-East of Poland. Before the war, Rozwadow was a thriving stettl. There Israel Jacob was born on 23 …