Siward Biornsson, [Earl of Northum

Abt 1020 - 1055  (35 years)

• Name	Siward Biornsson
  Suffix	[Earl of Northum
  Birth	Abt 1020	Of, , , Denmark
  Gender	Male
  _UID	7E258D414CCC7A45BD2A5D6A610795E9DC8D
  Death	1055	, York, Yorkshire, England
  Burial	Galmanho Abby, York, Yorkshire, England
  Person ID	I12403	Ken Tree
  Last Modified	3 Nov 2019

  
  

  Father	Biorn (Bjorn) Ulfiusson (Estri, [EARL IN DENMARK,   b. Abt 1021, , , , Of Denmark d. 1045/1049 (Age 28 years)
  Mother	Mrs-Biorn Ulsiusson,   b. Abt 980, Of, , , Denmark
  _UID	243B013E71B8BF4F8B8676F0962DA4BE71B5
  Family ID	F5093	Group Sheet  |  Family Chart

  
  

  Family 1	Godiva, [Countess of Nor
  Marriage	Abt 1044	Of, , , England
  _UID	6C003596BE66E7428C42BA4624D161CD7560
  Family ID	F6104	Group Sheet  |  Family Chart
  Last Modified	1 Apr 2026

  
  

  Family 2	Aelfled (Elfleda) Of Bernicia, [Countess of Nor,   b. Abt 1031, Of, Bernicia, NORTHUMBRIA, England
  Marriage	Abt 1033	Of, , Northumberland, England
  _UID	9B9F419A8084324B9763DA62E8B173A57D55
  Children	1. Osbeorne Of Northumberland,   b. Abt 1050, Of, , Northumberland, England   2. Waltheof Earl Of Northumberland, [EARL OF HUNTING,   b. Abt 1046, Of, , Northumberland, England d. 31 May 1076, (spm) (Age 30 years)   3. Sybil Of Northumberland,   b. Abt 1048, Of, , Northumberland, England d. 1070 (Age 22 years)
  Family ID	F6954	Group Sheet  |  Family Chart
  Last Modified	1 Apr 2026

  
  

• Notes

  From Ancestral File (TM), data as of 2 January 1996. From Ancestral File (TM), data as of 2 January 1996. From Ancestral File (TM), data as of 2 January 1996. From Ancestral File (TM), data as of 2 January 1996. From Ancestral File (TM), data as of 2 January 1996. From Ancestral File (TM), data as of 2 January 1996. From Ancestral File (TM), data as of 2 January 1996. From Ancestral File (TM), data as of 2 January 1996. From Ancestral File (TM), data as of 2 January 1996. From Ancestral File (TM), data as of 2 January 1996.