Seleucus

Seleucus also known as Flavius Seleucus and Count Seleucus (; fl. 4th century AD) was a wealthy Greek rhetor who was a close friend of Libanius and the Roman emperor Julian. His family was connected to the ruling Constantinian dynasty of the Roman Empire as his father served Constantine I. Ablabius was one of the most important senators of Constantinople; who held the praetorian prefecture of the East from 329 to 337/338 and served as consul in 331, who was active in public posts in both East and West. Seleucus had at least one known sibling a sister called Olympias, who later married the Roman client king of Arsacid Armenia Arsaces II (Arshak II). His date of birth is unknown and little is known on his early life.

Julian Seleucus knew Julian since his student days

In November 361, Julian succeeded his paternal cousin Constantius II as Roman emperor and ruled as sole emperor until June 26, 363. Seleucus under Julian's reign was made Comes by the emperor. The brother of Alexandra, Calliopius, was a friend of Seleucus and was an assistant teacher with Libanius.

Alexandra bore Seleucus two known children: Daughter Olympias who later became a great Christian saint who was born sometime between 361 and 368 Either a son or daughter, who was a parent of Olympias and Seleucus