An epitaph dated to this dynasty’s control of Namāra honors the “king of the Arabs,” a Naṣrid phylarch (“FY-lark”) who defected [emphasize] to this dynasty before it lost Amida. This dynasty sent gifts to Mirian III after an eclipse and dispatched the ambassador Theophilos the Indian. A Heraclian ruler who took a regnal name from this earlier dynasty lost the Battle of the Masts to Mu‘āwiya I (“moo-AH-wee-yuh the first”). Magnentius killed a possibly gay member of this dynasty who escaped a massacre of its princes, like Gallus and a later ruler who died at Samarra after a failed assault on Ctesiphon (“k’TESS-ih-fon”). This dynasty’s Illyrian (“ill-LEER-ian”) founder, who defeated Carausius (“kuh-RAO-zee-us”) and was called “green” or “Chlorus,” served as augustus with Galerius. In 363, Jovian briefly succeeded this dynasty’s last ruler, Julian. For 10 points, what dynasty’s eponymous emperor defeated the rival tetrarchs Maxentius and Licinius ■END■
ANSWER: Constantinian dynasty [or Constantinians; or descriptions of the family of Constantine the Great, Constantine I, Flavius Valerius Constantinus, Konstantinos I, Constantius Chlorus, Constantius I, or Flavius Valerius Constantius; accept Neo-Flavian dynasty; reject “Flavian dynasty”] (Clues include the Lakhmid Imru’ al-Qays, Constans II, Constans, and Constantius II, from accounts by Ammianus Marcellinus, Philostorgius, and Zosimus.)
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= Average correct buzz position