As a member of the West-Nordic royal families, Augvald traced his ancestry back to the ancient giant Fornjót (likely another name for Ymir).
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Norse sagas telling parts of the story of Augvald include the Saga of Olaf Tryggvason (by both Snorri Sturluson and Oddr Snorrason), the Saga of Half & His Heroes and the Flateyjarbok.