Thalassus Athan., Zos.; Thalassius elsewhere. See stemma 18.

COMESiRole name: COMES (of Constantius) a. 345: mentioned among Constantius’s comites in 345 Athan. Hist. Ar. 22; he was leader of a delegationiRole name: leader of a delegation to Constans at Poetovio (possibly between 343 and 346) Athan. Ap. Const. 3. Before the battle of Mursa (351 Sept. 28) he and Latinus, ‘τά πρῶτα παρὰ βασιλεῖ φέροντες’, were at court but absented themselves from an imperial banquet when Philippus 7 (PPO) was detained by Magnentius while an envoy to him Zos. II 48.5 τῆς θοίνης οὐ μετεῖχον, Φιλίππου πεφροντικότες, ὃν ἐπὶ πρεσβείᾳ πρὸς αὑτὸν σταλέντα Μαγνέντιος εἶχεν. Late in 351 he served on the commission (with Datianus 1, Cerialis 2, Taurus 3, Marcellinus 7, Evanthius 1, Olympius 5 and Leontius 22) which tried the heretic Photinus at or near Sirmium Epiph. adv. Haer. 71, cf. Soc. II 29-30, Soz. IV 6.

PPO (ORIENTIS)iRole name: PPO (ORIENTIS) a. 351-3: appointed in 351 when Gallus was made Caesar Art. Pass. 12. He received a letter from Libanius from Constantinople asking him to assist the latter’s return to Antioch Lib. Ep. 16 (a. 352/3). In office a. 353^S (MSS 357) July 3 CTh XVI 8.7^α. He sent unfavourable reports on Gallus to Constantius Amm. XIV 1.10 but soon died Amm. XIV 7.9, Art. Pass. 12. Mentioned as former PPO Lib. Ep. 353 (a. 358).

He is praised posthumously for his mildness to both great and small Lib. Ep. 1404 though he is also said to have been ‘adrogantis ingenii’ Amm. XIV 1.10. He left a widow Theodora 2, a cousin of Libanius Lib. Ep. 328, cf. 1150, 1364, two sons, Bassianus 2 Lib. Ep. 1364, 1380 and Thalassius 2 Ep. 330, and a daughter Ep. 328, 1150. His family owned property in Phoenice Ep. 1364 and Euphratensis Ep. 1404.