Abraham ben Isaac of Narbonne

Abraham ben Isaac of Narbonne (Hebrew: ר׳ אַבְרָהָם בֶּן יִצְחָק מִנַרְבּוֹנָה)(c.1080-85 1158) was a Provençal rabbi, also known as Raavad II, and author of the halachic work Ha-Eshkol (The Cluster).