Aethra

In the best-attested tradition Aethra is a princess of Troezen, daughter of King Pittheus, who becomes the mother of the hero Theseus; narratives connect her to Aegeus (and in some accounts to Poseidon) in the parentage of Theseus. One strand of Greek genealogical tradition applies the name Aethra to an Oceanid (a daughter of Oceanus and Tethys) in lists of nymphs, showing that the name was used for multiple distinct mythic women across sources.

Extant sources do not give a consistent supernatural or iconic physical description. Classical art and later reliefs depict the Troezenian Aethra in domestic or familial scenes — for example a Roman relief shows her looking on while Theseus lifts a boulder — implying an ordinary adult female appearance in narrative contexts. If treated as an Oceanid in some lists, the name implies a nymphly, water-associated identity, but no detailed Oceanid iconography for Aethra is supplied in the cited material.

Aethra's agency in the sources is primarily social and familial rather than supernatural: she functions as mother and lineage‑bearer (notably raising and legitimating Theseus) and participates in narrative episodes such as bringing Theseus to a clearing where he proves himself by lifting a boulder. Some accounts cited in summary lists report that Theseus' conception involved violence (variously described in traditions), but the sources here are fragmentary and inconsistent on that detail. The Oceanid variant would, by class membership, be a water‑nymph, but specific powers or behaviors for Aethra herself beyond these roles are not attested in the provided excerpts.