(Ἀρτάνης), a son of Hystaspes and brother of Dareius Hystaspis, had given his only daughter and all his property to Dareius, and was afterwards one of the distinguished Persians who fought and fell in the battle of Thermopylae. (Hdt. 7.224.)
[L.S]A Dictionary of Greek and Roman biography and mythology
Smith, William
A Dictionary of Greek and Roman biography and mythology. William Smith, LLD, ed. 1890