What is the role of St. Severus?

By CopticBot.ai (Coptic Space Inc.) · Last reviewed 2026-10-10

St. Severus of Antioch (also known as St. Severus the Great or the "Crown of the Syrians") is one of the most significant pillars of the Orthodox faith, particularly for the Coptic and Syrian Churches. He served as the Patriarch of Antioch (512–538 AD).

In the Coptic Orthodox Church, St. Severus is held in the highest regard, often mentioned in the The Censer/Taihouri and the The Diptych/Commemoration of the Saints alongside St. Cyril and St. Athanasius.

His role can be summarized in three primary areas:

1. Defender of Miaphysite Christology

St. Severus was the primary theological successor to St. Cyril of Alexandria. After the Council of Chalcedon (451 AD), which the Coptic Church rejects because it introduced the "two natures" formula that sounded like Nestorianism, St. Severus became the leading voice in explaining the true faith.

• He championed the formula of St. Cyril: (Mia Physis tou Theou Logou Sesarkomene—One Nature of God the Word Incarnate).
• He clarified that "One Nature" does not mean the humanity and divinity were mixed or confused (refuting the Eutychian heresy), but that they were united in a perfect, indivisible union.

2. Resistance Against Heresy and Persecution

St. Severus stood firmly against the Roman emperors who tried to force the Chalcedonian Creed upon the Church.

• Because of his refusal to compromise the Orthodox faith, he was persecuted and eventually forced to flee to Egypt.
• He spent the last 20 years of his life in Egypt, moving from monastery to monastery in disguise to avoid arrest. During this time, he strengthened the Coptic Church, and the bond between the Syrian and Coptic Churches was permanently solidified through his presence and leadership.

3. Liturgical and Theological Legacy

St. Severus was a prolific writer and liturgist.

• The Hymn of the Monogenes: He is credited with composing the famous hymn "Ὁ Μονογενής" (Ho Monogenes—O Only-begotten Son), which is sung in the Coptic Church during the Sixth Hour of Good Friday and is a standard part of the Liturgy in the Eastern and Oriental traditions.
• Writings: He wrote extensively against both the Nestorians (who divided Christ) and the Eutychians (who confused Christ's natures). His letters and treatises are essential for understanding the Alexandrian theological method.

Comparison With Other "Severus" Mentions

St. Severus of Antioch is distinct from other historical figures:

• Sulpicius Severus: An ecclesiastical writer and monk from Gaul (c. 360–420 AD) who was a disciple of St. Martin of Tours.
• Alexander Severus: A Roman emperor who, though more tolerant than others (his mother Mamea even invited Origen to Antioch), was still a pagan ruler and not a Father of the Church.

For Coptic Orthodox Christians, St. Severus is the "Tongue of Eloquence" and the "Doctor of the Church" who ensured that the Miaphysite faith—the faith of St. Cyril—remained pure and defended against those who sought to divide Christ into two natures after the union.