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All that is known of Heaðolaf is that he was slain by Ecgþeow, the father of Beowulf. Reportedly, his powerful family demanded too high a weregild from Ecgþeow's clan, the Wægmundings, so Ecgþeow was banished and had to seek refuge with the Danes. The Danish king Hroðgar paid the weregild and the matter was settled.
- "Lexikon över Urnordiska Personnamn" (archived link, 12 June 2004)