Genealogy - Siward Bjornsson
  Siward
  Aelflaed
 

  Waltheof
  Sybil
  Osbeorne
 
 

Ruppenthal Genealogy . . .

Siward Bjornsson
abt 1020, Denmark - 1055, Saint-Olave's Church, Yorkshire England

Aelflaed (Elfieda) of Bernicia
abt 1031, Northumbria England - 1060, Northumbria England
Married: 1033 - Northumberland, England


Children . . .

Waltheof of Northumberland, earl of Northumberland
abt 1046, Northumberland England - May 31, 1076, Saint-Giles Hill, Winchester, Hampshire England

Sybil of Northumberland
abt 1048, Northumberland England - ??

Osbeorne 'Bulax' Siwardsson
abt 1050, Northumberland England - ??, Scotland


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