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Diodorus [1]

(1) A presbyter and martyr at Rome under Valerian (A.D. 251); commemorated December 1 (or January 17 or October 25).

(2) A martyr at Perga, in Pamphylia; commemorated April 22 (or February 26).

(3) Bishop of Tyre, A.D. 381, whose inquiry of Epiphanius of Salamis led the latter to compose his treatise on the gems in the high-priest's breastplate.