 According to linguist Jan de Vries, the name should be read as "ber-gelmir" ('who roars like a bear') rather than "berg-gelmir" ('who roars in the mountains').In "Vafþrúðnismál" (The Lay of Vafþrúðnir), Bergelmir is portrayed as the son of Þrúðgelmir and the grand-son of the first giant Aurgelmir (Ymir).When Odin asks Vafthrúdnir who is the oldest among the æsir and the jötnar, the wise jötunn responds that