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Male Earl of Northumberland Waltheof Click to view Earl of Northumberland Waltheof in the family tree

Waltheof was born about 1046 in Northumberland, England.  Waltheof's father was Siward Biornsson and his mother was Aelfled (Elfleda) of Bernicia.  His paternal grandfather was Biorn (Bjorn) Ulfiusson (Estridsen); his maternal grandfather was Aldred of Bernicia.  He was an only child.


Waltheof's family with Judith of Boulogne

They had a daughter named Matilda (Maud).

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