Yissachar Shlomo Teichtal was born in Hungary in 1885 from a family of well-known rabbis and Jewish leaders. His parents were Gittel and Yitzchak Teichtal. His father was a scholar, teacher, and a chasid of the Rebbe of Sanz. At thirteen years of age, Teichtal began his yeshiva study under Rabbi Shalom Weider who was the "av beit din" (town rabbi) of Nyíregyháza, Hungary. At age fifteen he moved to Żabno (now in Poland), where he was a student of Rabbi Shalom Unger.