Sleipnir about the god Baldr's bad dreams, Odin places a saddle on Sleipnir and the two ride to the location of Hel. The "Völuspá hin skamma" section of "Hyndluljóð" says that Loki produced "the wolf" with Angrboða, produced Sleipnir with Svaðilfari, and thirdly "one monster that was thought the most baleful, who was descended from Býleistr's brother." In the "Prose Edda" book "Gylfaginning", Sleipnir is first mentioned in chapter 15 where the enthroned figure of High says that every day the Æsir ride across the bridge Bifröst, and provides a list of the Æsir's horses. The list begins with Sleipnir: "best
Divine twins Divine twins The divine twins are a mytheme of Proto-Indo-European religion. The Yoruba orishas Ibeji, the Maya Hero Twins, and the Haitian vodoun Marassa Jumeaux are similar examples outside the Indo-European realm. O'Brien (1982) reconstructs a horse goddess with twin offspring, pointing to Gaulish Epona, Irish Macha (the twins reflected in Macha's pair, Liath Macha and Dub Sainglend), Welsh Rhiannon, and Eddaic Freyja in the tale of the construction of the walls of Asgard, seeing a vestige of the birth of hippomorphic twins in Loki in the form of a mare (in place of Freyja) giving birth to eight-legged Sleipnir.