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Male Siward Bjornsson Click to view Siward Bjornsson in the family tree

Siward was born about 1020 in of, Denmark.1   Siward's father was Biorn (Bjorn) Ulfiusson (Estridsen) and his mother is Mrs-Biorn ULSIUSSON.  His paternal grandparents were Ulf THORGILSSON and Estrid (Margarete) Svendsdatter. He had a brother and a sister, named Asmund and Miss.  He was the second oldest of the three children. He had a half-sister named Sibyl.  He died in 1055 in ,York, Yorkshire, England.  He was buried in Galmanho Abby, York, Yorkshire, England.1 1 


Siward's first family with Aelfled (Elfleda) Of BERNICIA

‌Siward 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 Of and Sybil Of.


Siward's second family with Aelfled III Of Northumberland

They had a son named Waltheof Earl Of.

1 Le Savage.FTW
Further sources/citations:
Ancestral File (R), Talcott.FTW, Ancestral File (R)


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