Among the Byzantine authors, the Gothic author Jordanes in his work Getica (written in 550 or 551 AD) [REF].
Later in Getica he returns to the Veneti stating, again, that though "off-shoots of one stock [these people] have now three names, that is Veneti, Antes and Sclaveni" and noting that they, at one time, had been conquered by the Goths under Ermanaric [REF].