Natta, Jacope a Christian convert from Judaism, of whose history little or nothing is known, excepting that he flourished in the 17th century, and is the author of a treatise written in Italian, Ragionamento della venuta del fMessia contro la dureza ed ostinazione Ebraica, i.e., a dissertation on the advent of the Messiah against the hardness and pertinacity of the Jews (Venice, 1629; Milan, 1644). From his treatise we may assume that he was an Italian Jew by birth. See Wolf, Bibl. Hebr. 3:518; Jocher, Allgemeines Gelehrten- Lexikon, s.v.; FUrst, Bibl. Jud. 2:25; Kalkar, Israel u. d. Kirche, page 83.