Court Jew of the margraves of Ansbach about 1700. He was very influential at court, and highly esteemed by the Jews of the margravate. He maintained his prominent position until his death. In reward of his faithful services all the privileges granted to him were continued to his heirs by a special charter (1730).
- Hänle, Gesch. der Juden im Ehemaligen Fürstenthum Ansbach, Ansbach, 1867.