He is quoted on almost every page of the Tosafot, and in various works, especially in the Sefer ha-Terumah of his pupil Baruch ben Isaac of Worms, and in the Or Zaṙua of Isaac ben Moses.
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On his father's side Isaac was a grandson of R. Simhah ben Samuel of Vitry, author of the Maḥzor Vitry; on his mother's side he was a nephew of Rabbeinu Tam, of Rashbam, and of Isaac ben Meir (RiBaM), a great-grandson of Rashi, and a relative of R. Eleazar of Worms.
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In Lunel, Abraham may have studied under RABaD III (Abraham ben David of Posquières), but his regular rabbinical studies, were pursued at Dampierre, in northern France, at the academy of R. Isaac ben Samuel, called R. Isaac ha-Zaḳen.
He studied under Rabbeinu Tam at Troyes and David ben Kalonymus of Münzenberg, and for ten years attended the Yeshiva of Rabbi Isaac ben Samuel ha-Zaken (the Ri) of Dampierre, after whose death he took charge of the yeshiva of Sens. The Rosh said of him that only Rabbeinu Tam and Rabbi Isaac ben Samuel exercised greater influence upon Talmudical studies in France and in Germany during the 13th century.
Isaac ben Samuel of Acre (fl. 13th–14th century) (Hebrew: יצחק בן שמואל דמן עכו, Yitzhak ben Shmuel d'min Akko) was a Jewish kabbalist who fled to Spain.