Branches of the Halfdansson family
- Budli Halfdansson –
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- Ivar “Vidfame” Halfdansson King of Denmark and Sweden 612–647 Gauthild Alfsdottir 614–632
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- Eysteinn Halfdansson King of Vestfold 736– Hildi Eiriksdottir 740–760
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- Gudrod “The Magnificent” Halfdansson King of Jutland and Vestfold 738–824 Alfhild Alfarinsdottir 750–
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- Ivar Halfdansson 770– Gundella Eysteinsdottir 785–850
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