Isaac of Ourville

Isaac of Ourville ( Yiṣḥaq me-Orvil, Isaac cites Moses of Coucy's Semag, from the generation before Perez, while segments of Isaac's Menahel are, in turn, cited alongside the Perez's teachings. who is possibly identical with Hayyim ben Isaac the Frenchman , the author of Ez Hayyim on Jewish monetary law, a disciple of Samuel of Evreux.

Toponym Carmoly and others read as "Orbeil", a village in the Puy-de-Dôme department, while Gross considered this unlikely, as Orbeil probably had no Jewish population in medieval times. According to Gross, is probably Ourville (Ourville-en-Caux), Seine-Maritime, or perhaps Orville, Orne.

Work Most of his only known work, the halakhic Sefer HaMenahel ( "the Guide"), is lost, but select portions have survived as follows:

Quoted by name in the closely related pair of halakhic works, Orhot Hayyim by Aaron ben Jacob ha-Kohen and Kol Bo. Quoted by name in two manuscripts of commentary to the Sefer Mitzvot Katan, JTS Rab. 1033 and Bodleian Opp. 338. but the Collegio's entire library was confiscated by the Nazis in December 1944 and has never been recovered. MS Paris heb. 407 f. 236r includes a list of Gershom ben Judah's bans copied out of the Menahel.