Siward BIORNSSON, EARL OF NORTHUMBERLAND

Birth:
Abt 1020
of Denmark
Death:
1055
York, Yorkshire, England
Burial:
Galmanho Abby, York, Yorkshire, England
Marriage:
Abt 1033
of Northumberland, England
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Aelfled (Elfleda) of BERNICIA, COUNTESS OF NORTHUMBERLAND
Birth:
Abt 1031
of Bernicia, Northumbria, England
Children
Marriage
1
Waltheof, Earl of NORTHUMBERLAND, EARL OF HUNTINGDON
Birth:
Abt 1046
of Northumberland, England
Death:
31 May 1076
Judith of BOULOGNE, COUNTESS OF HUNTINGDON 
Marr:
1070
of Artois, Pas-de-Calais, Fran 
2
Sybil of NORTHUMBERLAND
Birth:
Abt 1048
of Northumberland, England
Death:
1070
 
Marr:
 
3
Osbeorne of NORTHUMBERLAND
Birth:
Abt 1050
of Northumberland, England
Death:
 
Marr:
 
FCID:6414:27215
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Siward Biornsson, Earl of Northumberland - Aelfled (Elfleda) of Bernicia, Countess of Northumberland

Siward Biornsson, Earl of Northumberland was born at of Denmark Abt 1020. His parents were Biorn (Bjorn) Ulfiusson (Estridsen), Earl and Mrs. Biorn Ulsiusson.

He married Aelfled (Elfleda) of Bernicia, Countess of Northumberland Abt 1033 at of Northumberland, England . Aelfled (Elfleda) of Bernicia, Countess of Northumberland was born at of Bernicia, Northumbria, England Abt 1031 daughter of Aldred of Bernicia, Earl of Northumbria and Mrs. Aldred of Bernicia .

They were the parents of 3 children:
Waltheof, Earl of Northumberland, Earl of Huntingdon born Abt 1046.
Sybil of Northumberland born Abt 1048.
Osbeorne of Northumberland born Abt 1050.

Siward Biornsson, Earl of Northumberland died 1055 at York, Yorkshire, England .