Photinus the heresiarch.
Jerome and Gennadius. Lives of Illustrious Men. — translated by ANF/NPNF editors
Chapter CVII.
Photinus, of Gallograecia, a disciple of Marcellus, and ordained bishop of Sirmium, attempted to introduce the Ebionite heresy, and afterwards having been expelled from the church by the Emperor Valentinianus, wrote many volumes, among which the most distinguished are Against the nations, and To Valentinianus.
Translated by ANF/NPNF editors. Edition ccel.npnf203.division.v.en.