Theophanes Continuatus names "Potus ac Leo" as the children of "Eustathium cognomento Argyrum", recording that they transferred their father's body to "monasterio S Elisabet…in Charsiani themate" which had been founded by "Leone tribuno illorum avo". His birth date range is estimated based on the birth date range estimated for his son Romanos.
Domestikos of the Scholai and magister. The De Administrando Imperio of Konstantinos Porphyrogenetos names "Leo Argyri, Eustathii filius, qui magister postea et scholarum domesticus" when recording that he was sent to Larissa. Theophanes Continuatus records that "Leone et Potho Argyris" fought in the Bulgarian war, dated to [921/22] from the context, but that they were both forced to flee.
The name of the wife of Leo Argyros is not known. 1