Abū ‛Īsā Eṣfahānī – Founder of the Jewish ‛Īsawīyya sect in Iran during the 8th/ 2nd century. Little is known about his personal name or lineage in extant sources. The closest contemporary reference is found in al-Anwār wa al-Murāqib, written by Abū Yūsuf Ya‛qūb ibn Sam‛īyā Qerqesānī, a prominent Karaite Jewish scholar (active in the late 9th and early 10th/ 3rd –4th century.) In this work, he is mentioned as ‛Ūbedīyā, known as Abū ‛Īsā Eṣfahānī.[1] Ebn Ḥazm (d. 1064/456), the well-known genealogist, also refers to him in al-Feṣal fī al-Melal wa al-Ahwāʾ wa al-Neḥal, identifying him as Muhammad ebn ‛Īsā and explicitly confirming his title as Abū ‛Īsā Eṣfahānī.[2]
Abū al-Ma‛ālī Muhammad b. Ne‛mat ‛Alawī, a jurist from Balkh and the author of Bayān al-Adyān (d. 1092/485), likewise confirms his teknonymy and his attribution to Eṣfahān, identifying him instead as Isḥāq ibn Yūsuf and as one of the Druze of Nuṣaybīn, a region in Greater Syria and a town in what is now southeastern Turkey.[3] ʿAbd al-Karīm Shahrestānī, writing thirty-six years after Abū al-Ma‛ālī, refers to him as Abū ‛Īsā Isḥāq ebn Ya‛qūb Eṣfahānī and states that his name was ‛Ūfīd Elluhīm or ‛Abdullāh (“Servant of God”). Taken together, these various reports—despite their differing names—confirm with some certainty that he was widely known as Abū ‛Īsā Eṣfahānī. However, this attribution to Eṣfahān may not necessarily indicate that he was born there or that his family originated from the city; rather, it may simply refer to the place where he first began his religious mission,[4] as a few sources describe him as a native of Nuṣaybīn.[5] His life, too, remains shrouded in obscurity. Qerqesānī describes him as an illiterate tailor who, during the reign of ‛Abd al-Malek b. Marwān (r. 685–705/65–86), claimed prophethood, gathered followers around him, formed an army, rebelled against the caliph, and was ultimately killed.[6] Shahrestānī, however, places the beginning of his prophetic mission in the final years of the Umayyad rule (661–750/41–132), specifically during the caliphate of Marwān b. Muhammad—known as Marwān Ḥemār (r. 744–750/126–132)—the last Umayyad caliph, and states that his rebellion occurred during the reign of the Abbasid caliph al-Manṣūr (r. 754–775/136–158).[7] Abū al-Ma‛ālī likewise emphasizes that his claim and uprising took place during the time of al-Manṣūr.[8]
What is certain is that he lived during the final years of the Umayyad dynasty, a period that coincides with the era of the Geonim (589–1038/69–430) in Jewish history. The Geonim were the chief legal authorities and religious leaders of Jewish communities, serving as the heads of the great rabbinic academies in Baghdad. These institutions were sustained through taxes and donations collected from Jews living across the Islamic world.[9]
No definitive conclusion can be drawn regarding the motives, causes, or nature of Abū ‛Īsā’s claim to prophethood, and various conjectures have been proposed. Some have viewed it as an independent revolt against rabbinic Judaism, while others have interpreted it as a reaction to the oppression of Jews under Muslim rule. Given that his lifetime coincided with the uprisings and unrest of the final years of the Umayyad dynasty, the socio-political climate was conducive to the emergence of such a claim.
Abū ‛Īsā was also reportedly cured of leprosy, which he regarded as a divine gift and miracle. He came to believe that he had attained a lofty spiritual rank and that God had entrusted him with a mission to deliver the Jewish people from dispersion. Moreover, based on these perceptions, it appears that ‛Abdullāh b. Mu‛āwīya, then governor of Isfahan, supported him as well.
‛Abdullāh ebn Mu‛āwīya, a supporter of the ‛Alīds, revolted against the Umayyad governor of Kufa in 747/129 and gained control over Isfahan and Rey. Aware of the sizable Jewish population in Isfahan, he encouraged Abū ‛Īsā to rise up against the Umayyads, promising that if he himself became caliph, he would grant Palestine to Abū ‛Īsā as a new homeland for the Jews.[10] Initially, Abū ‛Īsā was highly zealous and instituted strict legal rulings within Jewish law. A large number of Jews followed him, and his followers attributed miracles to him. They believed, for instance, that in battles he would mark a boundary around his camp and companions using a rope or a branch of myrtle—a fragrant shrub with ritual significance in Jewish worship—and that anyone remaining within this boundary would be protected from enemy harm.[11]
Though he was illiterate, he reportedly wrote his own books and read the sacred scriptures in Hebrew, which his followers regarded as a miraculous sign.[12] Abū ‛Īsā believed that Jesus |Christ had five apostles and that he himself as a prophet was the last of them, sent to deliver the Children of Israel from the grasp of oppressors. He acknowledged the prophethood of both Jesus and Muhammad and held deep reverence for Jesus.[13] According to his teachings, Jesus was God’s messenger to the Children of Israel, while Muhammad was God’s emissary to the descendants of Ishmael and to the Arabs more broadly.[14] In his view, each prophet was sent exclusively to his own nation, and subsequent prophets did not abrogate the teachings of their predecessors, as followers of earlier faiths might reject a new prophet’s claims.[15] His follower believed that during his ascension, God anointed his head and he saw Muhammad therein and he believed in him.[16] In his later teachings, Abū ‛Īsā did not substantially diverge from the general framework or calendar of rabbinic Judaism, and he articulated most of his detailed doctrines based on Jewish traditions and texts. For this reason, members of his sect intermarried freely with other Jews.[17]
Nevertheless, in his version of Jewish law, he mandated the performance of seven daily prayers—in contrast to the standard three—and, according to some reports, even ten. He observed the Prayer of Unity (Shema Yisrael), the most important part of Jewish prayer, in accordance with rabbinic prescription.[18] He forbade the consumption of wine and sacrificial meat and prohibited the divorce of a woman—even in cases of adultery. He ruled that any man who engaged in intercourse at night and failed to perform ritual ablution (ghusl) would remain impure for seven days. He also imposed two kinds of khums (one-fifth levy): one upon his followers and another designated for the treasury of the Messiah.[19] Nonetheless, according to Shahrestānī, Abū ‛Īsā opposed many of the religious rulings of the Torah and held doctrinal positions that sharply diverged from those of the rabbinic establishment.[20] Overall, his beliefs represented a synthesis of Jewish, Christian, and Islamic elements. Frustrated by the strict legalism of rabbinic Judaism, he sought to reform the religion. He is considered the first leader of a messianic Jewish movement in Iran, one shaped by the spirit of the liberationist movements of his time.[21]
There are conflicting accounts regarding Abū ‛Īsā’s death. His followers believed that he was not killed but had instead taken refuge in a cave and would one day reappear. [22] According to another narrative, during a battle with the forces of the Abbasid caliph al-Manṣūr, he rode beyond the protective boundary he had drawn for his companions, killed many of the caliph’s soldiers, and fled towards the River Marmal—a legendary river said to be home to the Ten Lost Tribes of Israel—with the intention of joining them and delivering to them God’s message. However, he was reportedly killed en route in Rey.[23]. In another account, following the victory of Abū Muslem al-Khurāsānī, the death of ‛Abdullāh b. Mu‛āwīya, and the rise to power of Abū al-‛Abbās al-Saffāḥ (r. 749–754/132–136), Abū ‛Īsā was executed by al-Saffāḥ. Yet another report links him to the rebellion of Sunbadh, claiming that he took up arms alongside him against the Abbasid, but after Sunbadh’s forces were defeated in 754/137, Abū ‛Īsā and his followers were also eliminated.[24]
Taken together, these accounts indicate that Abū ‛Īsā died in the early years of the Abbasid caliphate. However, his death did not mark the end of his religious movement. In the first half of the 10th/4th century, a group of his followers was still active in Damascus under the name ‛Īsūnīyya, and the sect he founded became known over time by various names, including ‛Īsawīyya, ‛Īsūnīyya, and later, Eṣfahānīyya.[25] Numerous Islamic sources also mention the widespread following of this sect.[26] Moreover, some sources describe two related Jewish sects—Yudghānīyya (followers of Yehudā Yudghān/Yūdh‛ān, a native of Hamadan who was a contemporary and disciple of Abū ‛Īsā) and Mushkānīyya (followers of Mushkān, who adhered to the doctrine of Yudghān but differed only in affirming the obligation to revolt against their opponents)—as ideological affiliates and successors of his movement.[27]
This sect gained numerous followers across various regions of Iran, including Rey, Qum, Hamadan, and Arjān (the ancient name of present-day Behbahān in Khūzestān Province), as well as in Transoxiana, Greater Syria, and even al-Andalus.[28] In Islamic sources, Abū ‛Īsā is generally remembered for his theological position that Judaism was not abrogated by the advent of subsequent prophets.[29] The uprising he led in Isfahan was so influential that major Jewish thinkers—such as Maimonides in the 12th/6th century—referenced it in their writings. Although Maimonides does not mention Abū ‛Īsā by name in his Yaman-nāme, he recounts a cautionary tale describing his rebellion as a failed movement that had brought hardship upon the Jews of Isfahan and Khurāsān.[30]
The ‛Īsawīyya were regarded among the ascetics, and are considered the first Jewish sect to emerge after the destruction of the Second Temple in Jerusalem. They exerted influence on later Jewish movements such as the Karaites and the Mourners of Zion, who would fast and mourn the Temple’s destruction.[31] It has also been reported that extremist Shiites (ghulāt) maintained ties with the ‛Īsawīyya. Due to this connection, traces of Manichaean influence were later identified in their writings following the discovery of the Qumrān scrolls in the caves near the western shore of the Dead Sea.[32]
Lea Daniali and Ensiye Baqeri
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[1] Qerqīsānī, al-Anwār wa al-Marāqeb, p. 40.
[2] Ebn Ḥazm, al-Feṣal fī al-Melal wa al-Ahwāʾ wa al-Neḥal, vol. 1, p. 179.
[3]Abū al-Ma‛ālī Balkhī, Bayān al-Adyān, p. 115.
[4] Qerqīsānī, introduction by Hussein ‛Abd al-Badī‛ Hussein, p. 18.
[5] Abū al-Ma‛ālī Balkhī, Bayān al-Adyān, p. 115.
[6] Qerqīsānī, al-Anwār wa al-Marāqeb, p. 40.
[7] Shahrestānī, al-Melal wa al-Neḥal, vol. 1, p. 215.
[8] Abū al-Ma‛ālī Balkhī, Bayān al-Adyān, p. 115.
[9] Netzer, p. 11; Friedlaender, pp. 208–213.
[10] Levi, vol. 2, pp. 339–340; for further information on the uprising of ʿAbdullāh b. Muʿāwīya, see: Balādhurī, vol. 2, pp. 63–66; Ebn Khaldūn, vol. 2, pp. 143–144, 151–155.
[11] Shahrestānī, al-Melal wa al-Neḥal, vol. 1, pp. 215–216.
[12] Qerqīsānī, al-Anwār wa al-Marāqeb, p. 40; Zāre‛ Ḥusaynī, p. 13.
[13] Bāqelānī, p. 189, 193; Shahrestānī, al-Melal wa al-Neḥal, vol. 1, p. 216.
[14] Qerqīsānī, al-Anwār wa al-Marāqeb, p. 94; Baḡdādī, p. 13; Ebn Ḥazm, al-Feṣal fī al-Melal wa al-Ahwāʾ wa al-Neḥal, vol. 1, p. 179.
[15] Qerqīsānī, al-Anwār wa al-Marāqeb, p. 94; Bāqelānī, p. 189.
[16] Maqdesī, vol. 4, p. 35; Maqrīzī, vol. 4, p. 386
[17] Qerqīsānī, al-Anwār wa al-Marāqeb, pp. 93–94; cf. Zāre‛ Ḥusaynī, p. 22, who argues that he differed significantly from the religious beliefs of the Rabbānīyūn.
[18] Qerqīsānī, al-Anwār wa al-Marāqeb, p. 93.
[19] Qerqīsānī, al-Anwār wa al-Marāqeb, p. 93; Abū al-Ma‛ālī Balkhī, Bayān al-Adyān, p. 116; Shahrestānī, al-Melal wa al-Neḥal, vol. 1, p. 216.
[20]Shahrestānī, al-Melal wa al-Neḥal, vol. 1, p. 216; see also: Zāre‛ Ḥusaynī, p. 22.
[21] Zāre‛ Ḥusaynī, pp. 14–15, 22; Friedlaender, p. 203.
[22] Qerqīsānī, al-Anwār wa al-Marāqeb, p. 40.
[23] Qerqīsānī, al-Anwār wa al-Marāqeb, p. 40; Shahrestānī, al-Melal wa al-Neḥal, vol. 1, p. 216.
[24] Shahrestānī, al-Melal wa al-Neḥal, vol. 1, p. 216; Qerqīsānī, p. 40; Zāre‛ Ḥusaynī, pp. 16–18; Greenstone, p. 81.
[25] See: Maqrīzī, vol. 4, p. 386.
[26] Qerqīsānī, al-Anwār wa al-Marāqeb, pp. 40, 94; Bāqelānī, p. 198; Baḡdādī, p. 13; Shahrestānī, al-Melal wa al-Neḥal, vol. 1, p. 215.
[27] See: Baḡdādī, p. 13; Shahrestānī, al-Melal wa al-Neḥal, vol. 1, pp. 216–217.
[28] Zāre‛ Ḥusaynī, p. 24; Wasserstrom, p. 79.
[29] Baḡdādī, pp. 17, 211; Fayyūmī, vol. 2, p. 440.
[30] See: Ebn Maymūn, pp. 121–124.
[31] Netzer, p. 21; Greenstone, pp. 121–122; Friedlaender, pp. 214–215; Wasserstrom, pp. 68, 79.
[32] Friedlaender, pp. 241–242; Wasserstrom, pp. 39–40, 56, 79–82.
