_Sigurd Ring ________+
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                                   _Rangar Lodbrock ______|
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 _Ivar 'the Boneless' Ragnarsson _|
| (.... - 0873)                   |
|                                 |                        _Sigurd Wolsung _____+
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|                                 |_Aslaug Sigurdsdottir _|
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|--Sichfrith Halfdansson 
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