The Twelve Anathemas

When persuasion failed, the controversy hardened into a formal sentence. Pope Celestine’s Roman synod of August 430 condemned Nestorius and commissioned Cyril to execute the verdict, with a ten-day ultimatum to recant. Cyril’s own Alexandrian synod of November 430 then produced the Third Letter to Nestorius, concluding with the Twelve Anathemas — terse condemnations that pressed Cyril’s Christology to its sharpest edge. This file traces the escalation, walks the Anathemas and their stakes, and reckons honestly with the Antiochene charge of Apollinarianism and the disputed conciliar standing of the Chapters.

Tradition: Pan-Orthodox (Church Father)

The Escalation: Rome, August 430

By the summer of 430 the dispute had been referred to Rome. Both Cyril and Nestorius had written to Pope Celestine I, and Cyril had taken care to send Latin translations of the relevant documents along with a dossier of Nestorius’s sermons. The Roman position was already disposed against Nestorius — Theotokos was uncontroversial in the West, and Nestorius had compounded matters by extending hospitality to Pelagian exiles whom Rome had condemned (McGuckin, St. Cyril of Alexandria: The Christological Controversy, 38–39; Russell, Cyril of Alexandria, 45–46).

Celestine’s Roman synod of early August 430 condemned Nestorius’s teaching and affirmed the title Theotokos. Crucially, the synod then commissioned Cyril to execute the sentence in the pope’s name, deputizing the see of Alexandria to act as Rome’s agent in the East. With that commission came the famous ten-day ultimatum: Nestorius was to recant his errors in writing within ten days of receiving notification, or stand deposed. It is important to get the provenance right — the ten-day ultimatum originates with Celestine’s commission, not with Cyril’s own initiative; Cyril was the one charged with carrying and enforcing a Roman sentence (McGuckin, 39; Russell, 46).

The Alexandrian Synod and the Third Letter, November 430

Armed with the Roman commission, Cyril convened a synod of his own bishops at Alexandria in November 430. Out of this synod came the Third Letter to Nestorius (Ep. 17; PG 77, 105–121; CPG 5317), a far more peremptory document than the irenic Second Letter. Where the Second Letter had expounded the doctrine of the union in measured terms, the Third Letter set the terms of submission, demanded explicit acceptance of an orthodox confession, and concluded with a list of Twelve Anathemas, also called the Twelve Chapters (the Capitula) — a set of propositions each condemning a named error, to which Nestorius was required to subscribe.

The Third Letter and its Anathemas were carried to Constantinople by a delegation of four Egyptian bishops and delivered to Nestorius on Sunday, 30 November 430, with the ten-day deadline attached (McGuckin, 39, 266; Russell, 46). [Disputed: 30 November 430 is the well-attested date, delivered by the four-bishop delegation; an older “7 December” reckoning, traceable to Marius Mercator’s dating of a related sermon of Nestorius, is a minority view.] Nestorius received the document but did not recant; he answered the Anathemas with twelve counter-anathemas of his own and pressed for a general council, which the emperor had by then already summoned to Ephesus.

Walking the Twelve Anathemas

The Anathemas are compressed and adversarial by design: each fences off a perceived Nestorian evasion. Several deserve particular attention (text and analysis in McGuckin, 266–275, which prints the Chapters with commentary; cf. Russell, 175–189).

The First Anathema condemns anyone who refuses to confess that Emmanuel is truly God and that the holy Virgin is therefore Theotokos, “for she bore in a fleshly way the Word of God become flesh.” Here the whole prior dispute is reduced to a single test: the Marian title stands or falls with the confession that the one born is God the Word.

The Second and Third Anathemas strike at the heart of the Antiochene danger as Cyril saw it. The Second condemns anyone who denies that the Word is united according to hypostasis (kath’ hypostasin) to his flesh; the Third condemns anyone who divides the one Christ after the union into two subjects joined only by a conjunction of dignity, authority, or power, rather than by a natural (real) union. This is the positive core of Cyril’s Christology: a single concrete subject, not two persons in association.

The Fourth Anathema forbids dividing the sayings of Scripture and the Gospel between two persons or hypostases — assigning the lowly, human sayings to “the man” and the exalted, divine sayings to “the Word” as though to two subjects. For Cyril the one Christ speaks both kinds of word; the single subject is the proper referent of all that the Gospels predicate of the Lord.

The central Anathemas (fifth through tenth) press the same logic through the particulars. The Fifth condemns calling Christ a “God-bearing man” (theophoros anthropos) rather than truly God; the Sixth condemns making the Word merely the “God” or “master” of the man Christ, as though the two were distinct realities; the Seventh rejects the idea that “the man Jesus” was empowered and acted upon by the Word from outside; the Eighth forbids co-worshiping “the assumed man” alongside the Word as a second object of adoration, insisting instead on a single, undivided worship of the one incarnate Lord. The Ninth and Tenth turn to the work of the Spirit and the high priesthood of Christ, refusing any account in which the Word’s own power and self-offering are transferred to a distinct human subject. In every case the target is the same: the supposed Antiochene splitting of Christ into two who-s, “the Word” and “the man,” loosely conjoined.

The Eleventh Anathema carries the controversy into the Eucharist. It condemns anyone who does not confess that the Lord’s flesh is life-giving (zoopoios) and is the very own flesh of the Word himself. The stakes are sacramental and soteriological: if the flesh in the Eucharist were merely a man’s flesh, externally associated with the Word, it could not vivify; only because it is the Word’s own flesh does communion in it give life. The Antiochene division of subjects, Cyril argues, dissolves the reality of the eucharistic gift.

The Twelfth Anathema is the theopaschite one, the most provocative of all. It condemns anyone who does not confess that the Word of God “suffered in the flesh, was crucified in the flesh, and tasted death in the flesh.” Each clause carries the qualifier “in the flesh” (sarki) — and that qualifier is doing precise theological work. It is the one subject, God the Word, who suffers and dies; yet he suffers and dies in the flesh, that is, in respect of his humanity, while remaining impassible in his divine nature. The formula thus affirms what the Antiochenes feared — that the divine subject is the one who undergoes the Passion — while the repeated sarki guards the very impassibility they wished to protect. It is the single subject who suffers, but he suffers humanly.

The Antiochene Reaction: The Charge of Apollinarianism

To Antiochene readers the Anathemas were not a clarification but an alarm. John of Antioch, who had urged Nestorius to accept Theotokos and de-escalate, nonetheless found Cyril’s Chapters intolerable and had them refuted by his two ablest theologians: Theodoret of Cyrrhus and Andrew of Samosata, both writing in early 431. Their charge was grave and specific: the Anathemas were Apollinarian (McGuckin, 39–41, 49; Wessel, Cyril of Alexandria and the Nestorian Controversy, 190–200; Russell, 47–48).

The charge had a real basis. Cyril’s preferred mia physis idiom and his talk of a “natural union” echoed the language of certain Apollinarian forgeries then circulating under the name of Athanasius and other orthodox authorities — texts Cyril himself in good faith took to be genuinely Athanasian. Read against that backdrop, the insistence on “one nature” and a “hypostatic union” sounded to Antiochene ears like a denial of the full, distinct, complete humanity of Christ — precisely the Apollinarian error of a truncated manhood absorbed into the Word. Theodoret and Andrew read the Twelfth Anathema, in particular, as making suffering and death proper to the Godhead.

Cyril was compelled to defend the Chapters in three separate apologies — answering Andrew of Samosata, answering Theodoret, and an Explanation of the Twelve Chapters — arguing that his “one nature” meant the one concrete subject of the incarnate Word, not a fusion or diminishment of the natures, and that “in the flesh” preserved divine impassibility throughout. But the damage to consensus was done: it was the Anathemas, far more than the Second Letter, that became the enduring flashpoint of the conflict, the part of Cyril’s case the East could not simply adopt (McGuckin, 41; Russell, 48).

The Disputed Conciliar Status of the Anathemas

The afterlife of the Twelve Anathemas is genuinely contested, and the distinction matters. The Second Letter to Nestorius (Ep. 4) received clear, solemn conciliar approval: it was read and endorsed at Ephesus (431) and reaffirmed at Chalcedon (451) as a standard of orthodoxy. The Twelve Anathemas did not enjoy the same unambiguous standing. [Disputed: whether the Anathemas received freestanding ecumenical ratification at Ephesus. They were entered into the Acts of the council, and they were later vindicated at the Second Council of Constantinople (553), whose own Christology is decisively Cyrilline; but whether Ephesus solemnly ratified the Chapters as an independent dogmatic definition — as opposed to receiving them within the conciliar record — is debated by scholars (McGuckin, 41–42, 85; Wessel, 197–200).] This ambiguity is precisely what allowed the Antiochenes, at and after Ephesus, to honor Cyril’s Second Letter while continuing to resist the Anathemas — a tension that the Formula of Reunion (433) would have to negotiate.

With the Third Letter delivered, the ultimatum running, and both sides appealing to a general council, the dispute now moved to its decisive arena: the Council of Ephesus, convened in 431.

References

Cyril of Alexandria, Third Letter to Nestorius (Ep. 17), with the Twelve Anathemas (Capitula), PG 77, 105–121; CPG 5317; trans. McGuckin; NPNF Series 2, Vol. 14.
Cyril of Alexandria, Second Letter to Nestorius (Ep. 4), PG 77, 44–49; CPG 5304; trans. McGuckin; NPNF Series 2, Vol. 14.
Eduard Schwartz, ed., Acta Conciliorum Oecumenicorum, tome 1: Concilium Universale Ephesenum (Berlin: de Gruyter, 1922–29); cited as ACO I.1.
John A. McGuckin, St. Cyril of Alexandria: The Christological Controversy (Crestwood, NY: SVS Press, 2004).
Norman Russell, Cyril of Alexandria (London: Routledge, 2000).
Susan Wessel, Cyril of Alexandria and the Nestorian Controversy (Oxford: Oxford University Press, 2004).