Siward BJORNSSON & Aelfled (Elfleda) of BERNICIA 
They had a son named Waltheof II Siwardson Earl of.
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Personal Details
Siward BJORNSSON
Siward was born about 1012 in Denmark. He died in 1055 in York, East Riding Yorkshire, England.
Aelfled (Elfleda) of BERNICIA
Aelfled (Elfleda) of was born about 1016 in Berenicia, Northumbria, England.
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Children
Waltheof II Siwardson Earl of NORTHUMBERLAND
Waltheof II Siwardson Earl of was born in 1046 in Northumberland, England. He died at the age of 30 on May 31st, 1076 in beneaded in Winchester, Hampshire, England.