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Male Earl Siward Biornsson Click to view Earl Siward Biornsson in the family tree

Siward was born about 1020 in denmark.  Siward's father was Biorn Bjorn Ulfiusson Estridsen and his mother was Daughter.  His paternal grandparents were Ulf Thorgilsson and Estrid (Margarete) Svendsdatter Princess of denmark. He had a half-brother named Siward.  He died in 1055 in York,England.


Siward's first family with Countess Aelfled of Berncia

‌Siward and Aelfled were married in a religious ceremony about 1033 in Of,,Northumberland,England.  They had a son and a daughter, named Waltheof and Sibyl.


Siward's second family with Godiva Countess of Northumberland

‌Siward and Godiva were married in a religious ceremony about 1044 in Of,,,England.

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