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Freeman-Smith History and Ancestry
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 Abt 1010 - 1060 (50 years)
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| Name |
BERNICIA Ælfflæd |
| Birth |
Abt 1010 |
| Gender |
Female |
| Death |
1060 |
Northumbria, England  |
| Notes |
- Aeffled (b. ante 1039) had two other sisters with the same name. Their father was Ealdred of Bamburgh, Earl of Berncia ... son of Uchtred the Bold.[1]
This Aeffled married Siward, Earl of Northumbria, and had Waltheof. It's unclear if Osbeorne Bulax is her son. There's a possibility that his mother was Siward's other wife, Godifu.[2]
Parents
Father: Ealdred of Bamburgh, Earl of Bernicia(d.1038/9)[3]
Mother: UNKNOWN
Family
m. Siward, Earl of Northumbria (d. 26 Mar 1055).[4] Issue:
(unproven) Osbeorne Bulax[5]
Waltheof, Earl of Northumbria (1050 – 31 May 1076)[6]
Notes
This is the main ID for Siward's wife, Aeffled of Bernicia (a.k.a. Aeffled of Bamburgh). It's fully sourced and verified. Duplicates should be merged into this one.
Aeffled's alleged daughter "Sarah," is not vetted. Primary sources researched by FMG do not mention her. Please source her profile. If she's been mistakenly connected as a daughter, please disconnect her.
Do not connect 'Sybilla/Suthen' of Scotland as a daughter of Ælfflæd "Bernia" (Northumbria is Siward; Ælfflæd is House of Berncia by blood). Sybillia/Suthen is supposedly a Dane related to Siward of Northumbria ... but there is no proof as to how. It is only thought she is either his cousin, sister, or daughter.
Sources
↑ Simeon of Durham
↑ Researched and written by Bree Ogle
↑ Wikipedia: Ealdred of Bamburgh
↑ Wikipedia: Siward, Earl of Northumbria
↑ could have been Godifu's son (Wikipedia: Osbeorn Bulax)
↑ Wikipedia: Waltheof, Earl of Northumbria
"England, AngloSaxon nobility: Northumbria." Medieval Lands v.3. fmg.ac.
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| Person ID |
I59189 |
Freeman-Smith |
| Last Modified |
27 Jan 2026 |
| Family |
NORTHUMBRIA Siward Bjornsson, b. Bef 1015, Scandinavia d. 1055, St Olave, York, Yorkshire, England (Age > 40 years) |
| Children |
| | 1. HUNTINGTON Waltheof, b. 1046, Northumberland, England d. Abt 31 May 1076, St. Giles Hill, Winchester, Hampshire, England (Age 30 years) [Father: natural] [Mother: natural] |
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| Family ID |
F26323 |
Group Sheet | Family Chart |
| Last Modified |
27 Jan 2026 |
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