| Name | Siward Biornsson | |
| Born | Abt 1019 | , Denmark |
| Gender | Male | |
| AFN | 91VQ-BS | |
| Died | 1054 | York, Yorkshire, England |
| Person ID | I19691 | Smoky Mountain Ancestral Quest |
| Last Modified | 12 Jan 2001 | |
| Father | Biorn (Bjorn) Ulsiusson (Estri, b. Abt 974, , Of Denmark | |
| Family ID | F7087 | Group Sheet |
| Family | Aelfled III, b. Abt 1026, Of, Northumberland, England | |||||||
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| Family ID | F7086 | Group Sheet | ||||||
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