Writer on ritual; brother of Meir of Rothenburg; lived in southern Germany about the end of the thirteenth century. He wrote "Sefer Sinai" (The Book of Sinai), a collection of legal and ritualistic decisions, compiled from different rabbinical authorities. The work is still extant in manuscript at Wittenberg. According to the copyist, the word was chosen by the author as the title on account of its having the numerical value of ("humility"); but it is really one less; the copyist evidently counted the word itself as an additional unit. Abraham is mentioned by his contemporary R. Mordecai b. Hillel Ashkenazi, the author of the "Mordecai" (on Giṭ. § 404).

  • Michael, Or ha-Ḥayyim, No. 68;
  • Zunz, Z. G. p. 162;
  • Benjacob, Oẓar ha-Sefarim, p. 419.
M. B.
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