Siward Biornsson, (Earl of Northumberland)
Birth:
Abt 1020
of Denmark
Death:
1055
York, Yorkshire, England
Burial:
Galmanho Abby, York, Yorkshire, England
FCID:2052:6075
Parents
Father:
Biorn (Bjorn) Ulfiusson, (Earl of Denmark)
Mother:
Mrs. Bjorn Ulfiusson
Marriage(s)