Semele

In the dominant mythic tradition Semele is the youngest daughter of Cadmus and Harmonia of Thebes. She becomes Zeus's mortal consort and conceives Dionysus. Hera, jealous of Zeus's liaison, deceives Semele (in some accounts in the guise of an old woman) and persuades her to demand that Zeus reveal himself in his true divine form. Having sworn by the River Styx to grant her any request, Zeus must comply; he appears with thunder and lightning, and Semele, being mortal, is destroyed by the vision. Zeus rescues the unborn child by sewing him into his thigh (accounted in sources by the epithet Eiraphiotes, 'insewn'), and the child is later revealed as Dionysus. In later versions Dionysus descends into Hades and rescues his mother, bringing her to Olympus where she is deified under the name Thyone and associated with the ecstatic frenzy of Dionysian worship. Variants of the conception and genealogical tradition exist in the sources (e.g., associations with Zagreus or differing heart/gestation motifs).

Primary ancient sources emphasize Semele's identity as a Theban princess rather than a fixed visual iconography; she is described as the youngest daughter of Cadmus and Harmonia and is connected to the Cadmeia (the palace on the Theban acropolis). The supplied materials do not record consistent physical details (height, dress, features). Later literary, dramatic, and operatic adaptations (Aeschylus' lost tragedy Semele, Handel's opera Semele, modern stagings) present varied portrayals informed by artistic convention rather than a canonical ancient portrait. Overall, the tradition offers no single authoritative iconographic description in the cited sources.

Semele herself, in the surviving accounts summarized in the sources, does not possess inherent supernatural powers prior to her death and apotheosis; her significance lies in her narrative roles—mortal lover of Zeus, mother of Dionysus, and recipient of apotheosis as Thyone. In one variant she appears as a priestess of Zeus and participates in ritual activity (for example, a version records her slaughtering a bull at an altar and bathing in the river Asopus), but this is explicitly presented as one version among others. Her transformational capacities are posthumous: after death she is rescued by her son and elevated to divine status, presiding over aspects of Dionysian frenzy; she does not independently demonstrate godlike powers in the cited materials prior to that elevation.