The first in honour is Rome, and Antioch in Syria as well as Alexandria are next. All three are Petrine sees, Saint Peter the apostle was bishop of Rome and he was also bishop of Antioch at a different time, and Alexandria, how is it Petrine? It was founded by Saint Peter's disciple and helper, Mark, who was bishop there.
The Nicene council includes a canon about the three sees.
Rome, Antioch in Syria, and Jerusalem are mentioned in the scriptures of the New Testament, but Alexandria is not, nor is Byzantium (later known as Constantinople).
This is interesting from a theological perspective.
The Nicene council includes a canon about the three sees.
Canon 6 Let the ancient customs in Egypt, Libya and Pentapolis prevail, that the Bishop of Alexandria have jurisdiction in all these, since the like is customary for the Bishop of Rome also. Likewise in Antioch and the other provinces, let the Churches retain their privileges.
And here is a map of the five sees of the Pentarchy
Rome, Antioch in Syria, and Jerusalem are mentioned in the scriptures of the New Testament, but Alexandria is not, nor is Byzantium (later known as Constantinople).
This is interesting from a theological perspective.