Theodoret of Cyrus: Linus Head of Roman (not Catholic) Church

They say that Linus succeeded the mighty Peter and ruled the church of the Romans after him.

- Theodoret of Cyrus (around A.D. 393 to around A.D. 457), Commentary on 2 Timothy, Chapter 4, in Theodoret of Cyrus, Commentary on the Letters of St. Paul, Volume 2, p. 249 (2001), Robert C. Hill translator.