French Talmudist; flourished about the middle of the twelfth century. He was a nephew and pupil of Isaac ben Merwan ha-Levi, and a prominent Talmudist and rabbi; his colleagues addressed him as "Great scholar, Nasi R. Moses," and his ritual decisions and Talmudic comments are often quoted. He directed the yeshibah at Narbonne, several of his pupils subsequently achieving fame. Abraham ben David of Posquières and Zerahiah Gerondi were among his pupils. He was in continuous correspondence with his younger colleague Abraham ben Isaac, ab bet din, who was his pupil and who by preference sought Moses' advice in difficult casuistic questions. Jacob ben Moses of Bagnols quotes a document relating to a divorce drawn up at Narbonne in 1134 and signed by the "great rabbi Moses ben Joseph and by Eliezer ben Zechariah." Gross identifies this Moses ben Joseph with Moses ben Joseph Merwan. If this identification is correct, Moses was one of the foremost cabalists of southern France, as Jacob's words in the passage cited indicate, although Moses is not otherwise known as a mystic.

  • Gross, Gallia Judaica, p. 413.
S. S. A. Pe.
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