Grand Rabbi Yeshaya Steiner of Kerestir (1851 - 1925), was the founder of the Kerestirer Hasidic dynasty. He was born on Iyar 3, 1851 in the town of Zbarav, Hungary. When he was 3 years old, his father died. At the age of 12, his mother sent him to study with to Rabbi Tzvi Hirsh of Liska, Hungary, the author of Ach Pri Tevua. When he died and his son-in-law Rabbi Chaim Friedlander author of Tal Chaim succeeded him, Yeshaya started travelling to Rabbi Chaim Halberstam of Sanz. After the passing of Rabbi Chaim of Sanz, he became a disciple of Rabbi Mordechai of Nadvorna. The Nadvorner Rebbe suggested that he move to the town of Kerestir, in Hungary,