Career
Saint Eustathius redirects here. See also Saint Eustace. He was a native of Side in Pamphylia.
About 320 he was bishop of Beroea, and he became patriarch of Antioch shortly before the Council of Nicaea in 325.
In that assembly he distinguished himself zealously against the Arians, though the Allocutio ad Imperatorem with which he has been credited is hardly genuine. His anti–Arian polemic against Eusebius of Caesarea made him unpopular among his fellow bishops in the East, and a synod convened at Antioch in 330 deposed him for adultery, which was confirmed by the emperor.
Eustathius was accused, condemned, and deposed at a synod in Antioch. The people of Antioch rebelled against this action, while the anti-Eustathians proposed Eusebius as the new bishop, but he declined.
He was banished to Trajanopolis in Thrace, where he died, probably about 337, though possibly not until 370.
The only complete work by Eustathius is the De Engastrimytho contra Origenem (ed by A Jahn in Texte und Untersuchungen, ii 4. J H Declerck in Corpus Christianorum - Series Graeca no 51, 2002), which discusses the episode of the Witch of Endor in 1 Samuel. Other fragments are enumerated by G. F. Loofs in Herzog-Hauck’s Realencyklopädie.
The Commentary on the Hexameron attributed to him in the manuscripts is not authentic.