 Korff's father was Nathan (Nochum or Menachem Nochum) Korff, who served as founding rabbi of Congregation B'nai Jacob in Milton, Massachusetts.His uncle Baruch Korff was well known as a spiritual advisor to Richard Nixon.Korff is a direct descendant of the Baal Shem Tov, the 18th century founder of the Hasidic movement, through both the Baal Shem Tov’s grandson Rabbi Boruch of Medzhybizh, founder of the Mezhbizh Hasidic dynasty, as well as patrilineally through the Baal Shem Tov's son.