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Nestorianism

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Origin from 431

Nestorianism is the position, associated with Nestorius, patriarch of Constantinople from 428 to 431, that the divine and human in Christ are joined so loosely that Mary should be called Christotokos, bearer of Christ, rather than Theotokos, bearer of God, since God cannot properly be said to be born. His opponents read this as dividing Christ into two separate persons rather than one united subject. The Council of Ephesus in 431, convened under the leadership of Cyril of Alexandria, condemned the position and deposed Nestorius. Whether Nestorius himself held the two person Christology later attached to his name is disputed among historians, since his own writings resist that reduction and the label was shaped substantially by Cyril polemic.

Facts
Disputed
Held By
A fifth century position associated with Nestorius, patriarch of Constantinople, holding the union of Christ divine and human natures to be looser than the mainstream confessed; condemned at the Council of Ephesus in 431 and rejected by the historic Chalcedonian churches. Communities descending from those who did not accept Ephesus ruling continue as the Assyrian Church of the East, which disputes that it holds what was condemned under this name, a live scholarly and ecumenical question rather than a settled one. 1
Modern historians and the Assyrian Church of the East itself dispute whether the position condemned at Ephesus matches what Nestorius actually taught or what the Church of the East actually holds; the 1994 Common Christological Declaration between Rome and the Assyrian Church of the East treated the christological difference as substantially terminological rather than a real disagreement.
Principal Proponent
Nestorius, patriarch of Constantinople from 428 to 431, though how much of the position later condemned under his name he actually held is itself disputed by historians. 1
Almost nothing survives of Nestorius own case except through his opponents and his later Bazaar of Heracleides; historians read that surviving material differently on whether he held a genuine two person Christology.
Origins
Origin Period
from 431 1
Defining Moment
The Council of Ephesus in 431 condemned the position and deposed Nestorius; the Council of Chalcedon in 451 then defined the union of the two natures in a way meant to exclude both this position and its opposite. 1
Status
Status Within the TraditionSourced to the subject's own account
Rejected, or not held, within this tradition 2Tradition: Christianity
Doctrinal Category
God and Divine Nature 1
Attestation
Meaning in the Attesting Source
That Christ divine and human natures remain distinct enough that Mary bore only the human Jesus, not God as such, so she should be called Christotokos rather than Theotokos; read by opponents as implying two separate persons loosely joined rather than one united subject. 1
Position Profile
Opposing Position
That the divine and human natures are united in a single person from the moment of conception, the hypostatic union, so what Mary bore was the one person of God the Son incarnate, and Theotokos is the correct title. 1
Learn More
Two Persons or One, and What Ephesus Actually Settled

This article records tradition as it has been passed down and reported. Its sources are not yet part of the atlas's verified catalogue.

The word at stake was Theotokos, God bearer, a title already in wide devotional use for Mary before Nestorius objected to it. His argument was not that Mary was unimportant but that calling her God bearer risked collapsing the distinction between Christ divine and human sides, as though God himself had a beginning in her womb. He proposed Christotokos, Christ bearer, as the more careful term.

Cyril of Alexandria, and the wider devotional habit Nestorius was pushing against, heard something else in the proposal: two subjects loosely cooperating rather than one person who is genuinely God and genuinely man. The Council of Ephesus in 431, convened in circumstances that were as much about ecclesiastical rivalry between Alexandria and Constantinople as about the theology itself, condemned Nestorius before the bishops loyal to him had even arrived, and deposed him.

What exactly Nestorius held is harder to settle than the council record suggests. His own later defense, the Bazaar of Heracleides, written from exile, reads to many modern scholars as compatible with a genuine union of natures, closer to what Chalcedon would define twenty years later than to the two person Christology his name came to label. The Church of the East, which did not accept Ephesus authority, maintains today that it was never Nestorian in the condemned sense, and its 1994 joint declaration with Rome treated the historic dispute as substantially a matter of language rather than of the faith itself.

Cross-Tradition Connections

Associated With

Belongs to Tradition

Contrasts With

Sources
1. The Christian Tradition: A History of the Development of Doctrine
Jaroslav Pelikan, University of Chicago Press, 1971the Nestorian controversy and the Council of EphesusView the Source
2. The Definition of Faith of the Council of Chalcedon
Council of Chalcedon, 451the Chalcedonian Definition anti-Nestorian clause excluding division of Christ into two personsthe holders' own accountView the Source
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