I. Aelius D., a celebrated Roman grammarian of the fourth century of our era, teacher of Jerome, and commentator on Terence; cf. Baehr's Lit. Gesch. p. 533 sq., and 68.—
II. Tiberius Claudius D., a commentator on Vergil, who lived about A.D. 400; cf. Baehr's Lit. Gesch. p. 91; Teuffel, Röm. Lit. § 423.