Eusebius Book 4, Section 10

4.10.1

X. τούτου δὲ τὸ χρεὼν μετὰ πρῶτον καὶ εἰ· κόστον ἔτος ἐκτίσαντος, Ἀντωνῖνος ὁ κληθεὶς Εὐ σεβὴς τὴν Ῥωμαίων ἀρχὴν διαδέχεται. τούτου δὲ ἐν ἔτει πρώτῳ Τελεσφόρου τὸν βίον ἑνδεκάτῳ τῆς λειτουργίας ἐνιαυτῷ μεταλλάξαντος, Ὑγῖνος τὸν κλῆρον τῆς ‘Ρωμαίων ἐπισκοπῆς παραλαμβάνει. ἱστορεῖ γε μὴν ὁ Εἰρήναιος τὸν Τελεσφόρον ἴ’ ἡ μάρτύρίῳ ’φ’ ἐπίσκοπον τὴν μαρτυρίῳ τὴν τελευτὴν δηλῶν δήλων ὲν ταὐτῷ κατὰ τὸν δηλούμενον Ῥωμίων ἐπίσκοπον Ὑγῖνον Οὐαλεντῖνον ἰδίας αἱρέσεως εἰσηγητὴν καὶ Κέρδωνα τῆς κατὰ Μαρκίωνα πλάνης ἀρχηγὸν ἐπὶ τῆς Ῥώμης ἄμφω γνωρίζεσθαι, γράφει δὲ οὕτως·

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X. After twenty-one years Hadrian paid the debt of nature, and Antoninus, called Pius, received the sovereignty of Rome. In his first year Telesphorus passed away in the eleventh year of his ministry, and Hyginus received the lot of the bishopric of the Romans. Irenaeus relates that Telesphorus gained renown in his death by martyrdom, and states in the same place that in the time of Hyginus, the aforementioned bishop of Rome, Valentinus, the founder of a special heresy, and Cerdo, the founder of the Marcionite error, were both famous in Rome. He writes thus: