Siward Biornsson
Birth:
Abt 1020
of Denmark
Death:
1055
York, Yorkshire, England
Individual Information  
FCID:19900:901      
Parents
Father:
Biorn Ulsiusson
Mother:
Marriage(s)
Family Group
Aelfled III
md.
  Children
1.  
Waltheof II [Earl of] Northumberland
b. 1045