Siward Bjornsson, Earl NORTHUMBERLAND & Aelfled (Elfleda) of BERNICIA 
They had a son named Waltheof II.
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Personal Details
Siward Bjornsson, Earl NORTHUMBERLAND
Siward Bjornsson, Earl was born about 1012 in Denmark. He died in 1035 in York, Yorkshire, England.
Aelfled (Elfleda) of BERNICIA
Aelfled (Elfleda) of was born about 1016 in Bernicia, Northumbria, England. Aelfled (Elfleda) of is no longer alive.
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Children
Waltheof II NORTHUMBERLAND
Waltheof II was born in 1042 in Northumberland, England. He died at the age of 34 on May 31st, 1076.