In Gallo-Roman religion, Epona was the goddess of horses and ponies. She was also a fertility and mother goddess, and was frequently depicted in art and sculptures either mounted on a horse, etc., or
Epona surrounded by four foals in the stables of a circus, engraved from a lost wall panting in the Circus of Maxentius
Epona, second or third century AD, from Contern, Luxembourg (Musée national d'art et d'histoire, Luxembourg City)
An altar to Epona dedicated by Claudius Maximus, governor of Upper Panniona (150-154 CE)
Epona and her horses, from Köngen, Germany, about 200 CE
Rhiannon is a female figure in Welsh mythology and a protagonist of the Mabinogi, in its First and Third Branches. She has been described by Ronald Hutton as "one of the great female personalities in
Epona
…regarded as escorting souls to the world of the afterlife. Various scholars also point to the parallel between Epona and the Welsh legendary figure Rhiannon (also closely associated with horses), and in the first branch of the Mabinogion (Pwyll Pendefig Dyfed), Rhiannon rides up to the tower to meet the…
Rhiannon riding in Arberth. From The Mabinogion, translated by Lady Charlotte Guest, 1877
Pryderi and Rhiannon's imprisonment, by Albert Herter. From Thomas Wentworth Higginson's Tales of the Enchanted Islands of the Atlantic
Rhiannon is often associated with Epona