Siward Biornsson
Siward was born in
AR
.
1
Siward's father was
Bjorn Estriden Ulsiusson
. His paternal grandparents were
Ulf Thorgilsson
and
Margaret Estrid
. He was an only child. He died in 1055 in
York, YORKSHIRE, England
.
1
Ancestor Pedigree Chart
Thorgils Sprakling
- b.~ 0936 d.WFT Est. 970-1027
Ulf Thorgilsson
- b.~ 0967 in Of, Halland, SWEDEN d.22 Sep 1027
Bjorn Estriden Ulsiusson
- b.1021 d.WFT Est. 1040-1112
Margaret Estrid
- b.~ 0997 in AR d.WFT Est. 1025-1091
Siward Biornsson
- b.WFT Est. 1035-1054 in AR d.1055 in York, YORKSHIRE, England
Details of Siward's family with Aelfled\Elfleda
1
basel.FTW
Further source/citation:
World Family Tree Vol. 9, Ed. 1 @ Tree #2571
Siward Biornsson 
Details of Siward's family with Aelfled\Elfleda
