Family: Helgi Fridleifsson / Princess Thora of Denmark (F14461)
The parent family of King Sigurd Helgisson, de Ringerike is the Birth Family.
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 | Friedlief Frodasson (750-796) |
 | Asa Haroldsdatter (752-821) |
| Knud Horda Knut Sigurdsson (784-850)  |
| Queen Ealdyth Sigurdsdottir (797- ) |
| Eric II King Of Denmark (798-859) |
| Thora Sigurdsdatter (799-851) |
| Thora Sigurdsdottir (800-851) |
| Hard Knud Canute, King of Danes (800-850) |
| Thora Sigurdsdottir, Princess of Denmark (805-851) |
| Thor Sigurdsson (806- ) |
| King Knud, (Hardeknud) of Denmark (814-884) |
| Thora Sigurdsdatter (815-875) |
| Gorm II Sigurdsson, King of Denmark (815-856) |
| Knud, "Harde-Knud" af Danmark (855-935) |
| Helgi Fridleifsson (770-815)
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| Princess Thora of Denmark (799-850)
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| Ingjaldur Helgason (786- ) |
| King Sigurd Helgisson, de Ringerike (810-856) |
| Asa Hilgisdotter (815-909) |
| Ingjald Helgasson (816-842) |
| Hrolf of Norway (820-847) |
| Ingiald Helgisson (820-842) |
| Ingiald Helgasson (820- ) |