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Male Siward Biornsson Click to view Siward Biornsson in the family tree Click to view Siward Biornsson in the family tree View timeline for this person's branch of the family tree

Siward was born in 1020 in York, Yorkshire, , England.1   Siward's father was Biorn Ulsiusson and his mother is Flicka Dansk.  His paternal grandparents were Ulf Thorgilsson and Estrid Svendsdatter.  He was an only child.  He died at the age of 35 in 1055 in York, Yorkshire, , England.1 

Family Details of Siward's family with Aelfled Bernicia


1 Public Member Trees @ Database online.
Source/Citation Public Member Trees @ Database online.


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