Siward Biornsson Earl Northumberland & Aelfled (Elfleda) Of Bernicia 
Siward Biornsson Earl and Aelfled (Elfleda) Of were married in a religious ceremony about 1033 in Of, Northumberland, England.1 They had two sons and a daughter, named Waltheof Earl Of, Osbeorne and Sybil.
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Personal Details
Siward Biornsson Earl Northumberland
Siward Biornsson Earl was born about 1012 in Of, Denmark.2 He died in 1055 in York, Yorkshire, England.2
Aelfled (Elfleda) Of Bernicia
Aelfled (Elfleda) Of was born about 1016 in Of, BERNICIA, NORTHUMBRIA, England.2 Aelfled (Elfleda) Of is no longer alive.2
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Children
Waltheof Earl Of Northumberland
Waltheof Earl Of was born about 1042 in Of, Northumberland, England.2 He died on May 31st, 1076 in Spm.2