Cassiopeia

Poseidon's punishment: Cassiopeia as a constellation sitting in the heavens tied to a chair. Hyginus, Poeticon Astronomicon. "U.S. Naval Observatory Library"

Cassiopeia (/ˌkæsi.oʊˈpiː.ə/; Ancient Greek: Κασσιόπεια, romanized: Kassiópeia), also variously spelled as Cassiope (Ancient Greek: Κασσιόπη, romanized: Kassiópē) or Cassiepeia (Ancient Greek: Κασσιέπεια, romanized: Kassiépeia), is a figure in Greek and Roman mythology, the queen of Aethiopia and wife of King Cepheus. She was arrogant and vain, characteristics that led to the endangerment of her daughter Andromeda and her own downfall.