 According to Rudolf Simek, "the name appears to be very old" due to its obscurity.In "Gylfaginning" (The Beguiling of Gylfi), she is portrayed as the daughter of the giant Bölþorn and as the spouse of Borr, while the enthroned figure of Hárr (High) tells Gangleri (described as king Gylfi in disguise) of the genealogy of the god Odin.In "Skáldskaparmál" (The Language of Poetry), a poem by the skald Einarr Helgarson refers to Odin as "Bestla's son".