 Ymir is mentioned in four poems in the "Poetic Edda"; "Völuspá", "Vafþrúðnismál", "Grímnismál", and "Hyndluljóð".In "Völuspá", in which an undead völva imparts knowledge in the god Odin, references are twice made to Ymir.In the first instance, the third stanza of the poem, Ymir is mentioned by name