sentences:  After his death on 20 Av 5724 (1964), his son, Rabbi Mordechai Yosef Leiner, took his place, until his death on 3 Shevat 5751 (1991).After Rabbi Mordechai Yosef's death, his eldest son, Rabbi Yaakov Leiner, became Radziner Rebbe, until his sudden death on 5 Iyar 5769 (2009).Rav Yaakov studied at Yeshiva Rabbi Chaim Berlin, and then at Rabbi Nosson Dovid Rabinowitz's kollel in Shaarei Chesed.