Earl Siward Biornsson of Northumbria 
Siward was born about 0995 in Denmark. Siward's father was Biorn Ulfiusson. His paternal grandparents were Earl Ulf Thorgilsson and Princess Estrid Margarete Svendsdatter of Denmark. He was an only child. He died in 1055 in York, Yorkshire, England. He was buried in Galmanho Abby, York, Yorkshire, England.General Notes
Earl of Northumberland
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Ancestor Pedigree Chart
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*There are earlier generations for the ancestor(s) indicated. See their page(s) for details (click name)
- b.~ 0885 in Sweden
- b.~ 0903 in Sweden d.0985/0986 in Fyrisval, Uppsala, Sweden
- b.~ 0886 in Uppsala, Sweden
- b.0945 in Uppsala, Uppsala, Sweden d.29 Sep 1027 in Roskilde, Denmark
- b.~ 0910 in Blauzahn, Germany d.01 Nov 0986 in Jomsborg
- b.~ 0947 in Denmark d.18 Sep 1000 in Norway
- b.~ 0905 in Sweden
- b.~ 0993 in Halland, , Sweden d.29 Sep 1027 in Roskilde, , Denmark
- b.> 0840 in Denmark d.0936/0940 in Jellinge, Vejle, Denmark
- b.~ 0910 in Blauzahn, Germany d.01 Nov 0986 in Jomsborg
- b.~ 0844 in Denmark d.~ 0935 in Jellinge, Vejle, Denmark
- b.~ 0971 in Halland, Sweden
- b.~ 0885 in Sweden
- b.~ 0905 in Sweden
- b.~ 0886 in Uppsala, Sweden
- b.~ 1021 in Denmark d.1045/1049
- b.> 0840 in Denmark d.0936/0940 in Jellinge, Vejle, Denmark
- b.~ 0910 in Blauzahn, Germany d.01 Nov 0986 in Jomsborg
- b.~ 0844 in Denmark d.~ 0935 in Jellinge, Vejle, Denmark
- b.~ 0960 in Denmark d.02 Feb 1014 in Gainsborough, Lincolnshire, England
- b.~ 0885 in Sweden
- b.~ 0905 in Sweden
- b.~ 0886 in Uppsala, Sweden
- b.~ 0997 in Denmark d.09 May
- b.~ 0892 in Poznan, Poland d.< 0964
- b.~ 0922 in Poznan, Poland d.25 May 0992
- b.ABT 0896/0910 in Poznan, Poznanskiego, Poland
- b.~ 0970 in Poznan, Poland d.>02 Feb 1014
- b.~ 0900 in Praha, Czechoslovakia d.15 Jul 0967
- b.~ 0931 in Praha, Czechoslovakia d.0977
- b.ABT 0901/0905 in Praha, Czechoslovakia
- b.~ 0995 in Denmark d.1055 in York, Yorkshire, England
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Siward and Aelfled were married in a religious ceremony about 1033 in Northumberland, England. They had a son and a daughter, named Waltheof and Sibyl.
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Children
Sibyl Biornsson
Sibyl was born about 0951 in Atholl, Perthshire, Scotland. She died in 1040 in Scotland.
Earl Waltheof II of Northumberland
Waltheof was born about 1046 in Northumberland, England. He died due to beheaded on May 31st, 1076 in St. Giles Hill, Winchester, England. He was buried in June 1076 in Crowland, Lincolnshire, England.
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