Overview
Eustathios Argyros (; died ca. 910) was a Byzantine aristocrat and one of the most prominent generals under Emperor Leo VI the Wise (r. 886–912). The first member of the Argyros family to rise to high posts, he fought with distinction against the Arabs in the east, before being disgraced ca. 907, possibly in connection with the flight of Andronikos Doukas to the Arabs. Rehabilitated soon after, he was appointed as strategos of Charsianon, from which post he oversaw the settlement of Armenian lords as march-wardens along the Empire's eastern frontier. Promoted to commander of the imperial bodyguard in late 908, he again fell into disgrace shortly after and died of poison (apparently a suicide) on his way to his estates.
Life
Eustathios Argyros was the son of the tourmarches Leo Argyros, the founder of the noble Argyros family.
Nothing is known of his life or prior to the turn of the 10th century, although he may have been in imperial service as early as 866, when a man of the same name is recorded as protostrator of the Caesar Bardas in connection with the latter's murder on 21 April. The Byzantine historians praise Eustathios Argyros as an intelligent, valiant, prudent and just man, and account him, along with Andronikos Doukas, as the best of Leo VI's generals. The historians Jean-Claude Cheynet and Jean-François Vannier, experts on Byzantine prosopography, consider him "the true founder of the family's glory".
Although he is sometimes identified with an admiral active in ca. 902–904 (see below), his life is only securely attested after 904. At this time, evidently after a succession of—unknown—military commands, Eustathios had reached, according to Theophanes Continuatus, the rank of patrikios and hypostrategos of the Anatolic Theme. The significance of the term "hypostrategos" has been debated; normally it would designate the second-in-command to the strategos or military governor of a theme, but Vannier suggested that on account of his high title of patrikios, Argyros was actually the strategos. Theophanes Continuatus further extols Argyros and mentions that he scored several successes against the Arabs in the east, most likely a reference to the great Byzantine victory over the Arabs of Tarsus and Mopsuestia at Germanikeia in December 904, under the overall command of Andronikos Doukas. He then fell into disgrace and was exiled.
From Wikipedia (CC BY-SA 4.0).