Rabbi of Mayence and Offenbach at the end of the eighteenth century. He was the grandson of Jonah Te'omim, the author of "Ḳiḳayon de-Yonah." Naumburg wrote: "Naḥalat Ya'aḳob," commentary on the smaller tractates (Fürth, 1793); "Ḥiddushim 'al ha-Torah," notes on the Pentateuch; "Ḥiddushim 'al ha-Midrash," notes on the Midrash; and "Derushim," sermons preached in Mayence and Offenbach between 1770 and 1781; the last three works are in manuscript.