In Norse mythology, Þrúðgelmir (IPA: [ˈθruːð.ɟɛlmɪr]; Old Norse "Strength Yeller") is a frost giant, the son of the primordial giant Aurgelmir (who Snorri Sturluson in Gylfaginning identifies with Ymir), and the father of Bergelmir. Þrúðgelmir had one brother and one sister, who were elder than he was. Þrúðgelmir's name is sometimes anglicized as Thrudgelmir.
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