(Ἀρέστωρ), the father of Argus Panoptes, the guardian of lo, who is therefore called Arestorides. (Apollod. 2.1.3; Apollon. 1.112; Ov. Met. 1.624.) According to Pausanias (2.16.3), Arestor was the husband of Mycene, the daughter of Inachus, from whom the town of Mycenae derived its name.
[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