Question: What is the date of death of Ben Zion Aryeh Leibish Halberstam's father?
Sentence (from "Shlomo Halberstam (third Bobover rebbe)"): He was the oldest son of Rabbi Ben Zion Halberstam (1874–1941) of Bobov, who was murdered by the Nazis and their Ukrainian collaborators in the Holocaust.
Relevant evidence: No