Rabbi Yitzchok of Warka () was a disciple of Grand Rabbi Dovid Biderman of Lelov (1746–1814), who was a disciple of the "Seer of Lublin", who was a disciple of Rabbi Elimelech of Lizhensk, who was a disciple of Rabbi Dovber of Mezeritch (the "Maggid"), the senior disciple of Rabbi Yisroel ben Eliezer (The Baal Shem Tov), the founder of Hasidism. After the death of Rabbi Dovid Biderman of Lelov, Rabbi Yitzchok became a disciple of Rabbi Simcha Bunim of Peshischa.