The Hyades were daughters of Atlas (by either Pleione or Aethra, one of the Oceanides) and sisters of Hyas in most tellings, although one version gives their parents as Hyas and Boeotia. The Hyades are sisters to the Pleiades and the Hesperides.
The main myth concerning them is envisioned to account for their collective name and to provide an etiology for their weepy raininess: Hyas was killed in a hunting accident and the Hyades wept from their grief. They were changed into a cluster of stars, the Hyades, set in the head of Taurus.
The Greeks believed that the heliacal rising and setting of the Hyades star cluster were always attended with rain, hence the association of the Hyades (sisters of Hyas) and the Hyades (daughters of ocean) with the constellation of the Hyades (rainy ones).
The Hyades are also thought to have been the tutors of Dionysus, in some tellings of the latter's infancy, and as such are equated with the Nysiads, the nymphs who are also believed to have cared for Dionysus, as well as with other reputed nurses of the god — the Lamides, the Dodonides and the nymphs of Naxos. Some sources relate that they were subject to aging, but Dionysus, to express his gratitude for having raised him, asked Medea to restore their youth.
- Online Etymology Dictionary, s.v. "Hyades". Accessed 11 July 2013.
- Hyginus, Fabulae, 192
- Ovid, Fasti, 5. 169 ff
- Hyginus, Poetical Astronomy 2. 21
- Hyginus, Fabulae 248
- "Taurus' face gleams with seven rays of fire, which Greek sailors call Hyades from their rain-word." (Ovid, Fasti, 5. 164). In Ancient Greek, "to rain" is hyein.
- Hesiod, Astronomy Fragment 2 (in Theon on Aratus, Phaenomena, 254)
- Eustathius on Homer's Iliad 1156
- Servius on Virgil's Georgics, 1. 138
- Hesiod, Works and Days 609 ff
- Cicero, De Natura Deorum 2. 43. 111; he also points out that the Romans wrongly refer to the Hyades as Suculae (Piglets), as though the name Hyades was derived from hys "sow", while it actually derives from hyein "to rain"
- Pseudo-Apollodorus, Bibliotheca 3. 4. 3
- Nonnus, Dionysiaca, 9. 28 ff; in 14. 143, the identification is explicit
- Diodorus Siculus, Library of History 5.52.1; the Naxian nymphs were named Philia, Coronis and Cleide
- Ovid, Metamorphoses 7. 294
- Hyginus, Fabulae 182
- Suidas s. v. απεψησάμην