Sigurd (Syward) of Northumbria
Sigurd (Syward) of was born about 1005.  He died in 1055.

 Aelflaed of Northumbria
Aelflaed of was born about 1015.  Aelflaed of is no longer alive.

 Waltheof II of Northumberland
Waltheof II of was born in Northumberland, England.  He died on May 31st, 1076 in Winchester, hampshire, England.