In Greek mythology, Astyaguia or Astyagyia (Ancient Greek: Ἀστυάγυια) was a Thessalin princess as the daughter of King Hypseus of Lapiths[1] and probably the naiad Chlidanope.[2][3] She was the sister of Cyrene,[4] Themisto[5] and Alcaea.[3] Astyaguia married Periphas, son of Lapithus, and they had eight sons, the oldest of whom was Antion who became the father of Ixion by Perimela, daughter of Amythaon.[1]