Complex sentence: His father, Yehuda, was a Talmudist; both parents were descendants of Rabbinic families-on his mother's side, Maharsha is the great grandson of Yehuda Loew, the Maharal of Prague.
Split into simpler sentences: His father, Yehuda, was a Talmudist; both parents were descendants of rabbinic families. On his mother's side, the Maharsha was the great-grandson of Rabbi Yehuda Loew, the Maharal of Prague.