Hypa'tius
brother of Eusebia, wife of the emperor Constantius II. His father had been consul, but he cannot be identified by name. Hypatius was consul A. D. 359, and his brother Eusebius was his colleague. Both were put to the torture, fined, and banished, by Valens, A. D. 374, on a charge of aspiring to the empire; but the charge was found to be destitute of proof, and they were soon honourably recalled. Hypatius was praefectus urbi (at Rome) A. D. 379; and praefectus praetorio apparently in Italy (or rather, he was one of several who held that office conjointly), in A. D. 382 and 383.
He was a correspondent of Gregcry Nazianzen (
Epist. 192, or in Caillau's edit. 96), and is mentioned with high praise by Ammianus, with whom he appears to have been on terms of friendship. (
Amm. Marc. 18.1,
21.6,
29.2; Greg. Nazianz.
Opera, vol. ii. p. 81, ed. Paris, 1840; Cod. Theodos. 11. tit. 16.13, 15. tit. 36.26; 12. tit. 1.99, 100,
et alibi; Gothofred,
Prosop. Cod. Theod.; Ducange,
Famil. Byzant. p. 48; Tillemont,
Hist. des Emp. vol. iv. pp. 380, 437, v. pp. 108, 168, 720.) Some other Hypatii are mentioned in the Theodosian code, but they do not require notice.
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J.C.M]
