
| Name | Siward Bjornsson | |
| Birth | 1002 | Northumberland, England, United Kingdom |
| Gender | Male | |
| _FSFTID | GM4K-9HY | |
| _UID | 5E851AE796D46D42A77AF434AAF12CAAB751 | |
| Death | 1055 | York, Yorkshire, England, United Kingdom |
| Person ID | I29134 | Ken Tree |
| Last Modified | 3 Nov 2019 | |
| Father | Bjorn Earl of Demnark Ulfiusson, b. 1021, Danmark, Uppsala, Sweden d. 1045, Scotland, United Kingdom (Age 24 years) | |
| Mother | Hiordis Hringo Beron, b. Upland, Hessen, Germany d. DECEASED | |
| _UID | 280099DDF8A2AB4C8BF459C404E1856EA320 | |
| Family ID | F13590 | Group Sheet | Family Chart |
| Family | Aefflaed, b. 994, Northumbria, England d. 1110 (Age 116 years) | |||
| _UID | 31DCBE8C2A82D041BC37815B591DE33C7856 | |||
| Children |
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| Family ID | F13552 | Group Sheet | Family Chart | ||
| Last Modified | 1 Apr 2026 | |||