Marcian (Latin: Marcianus, Greek: Μαρκιανός) was a Byzantine general and a kinsman of Emperor Justin II.
John, the general of Armenia, and Miranes, the Persian leader (who was also called Baramaanes), collected an army to oppose them.
The Armenians were joined by the Colchians, the Abasgi, and Saroes, king of the Alani; Miranes by the Sabiri, Daganes, and the tribe of the Dilmaini.
"Marcian defeated Miranes at the Battle of Sargathon near Nisibis and put him to flight; 1200 Persians were killed and seventy taken prisoners, while the Roman loss was only seven.
Justin, persuaded of the truth of the charge, dismissed him from the command and appointed Theodore, the son of Justinian surnamed Tzirus, in his stead.