Proper name: M. ARETHU'SIUS (Ἄρεθούσιος), the author of a confession of faith, promulgated in the third council of Sirmium, a. d. 359, and was subsequently a martyr under Julian. (Socrat. H. E. ii. 30, with Valesius' note ; Nazian. Orat. 48 ; Tillemont, vii. p. 726.) (Wikisource | public domain)