an Entity references as follows:
Abraham ben David (c. 1125 – 27 November 1198), also known by the abbreviation RABaD (for Rabbeinu Abraham ben David) Ravad or RABaD III, was a Provençal rabbi, a great commentator on the Talmud, Sefer Halachot of Rabbi Yitzhak Alfasi and Mishne Torah of Maimonides, and is regarded as a father of Kabbalah and one of the key and important links in the chain of Jewish mystics.