Sigurd (Syward) Biornsson , Jarl of Northumbria
Sigurd (Syward) was born about 0990 in Denmark.  He died in 1055 in York, Yorkshire, England.

 Aelflaed of Northumbria
Aelflaed of was born about 0998 in Bernicia, Northumbria, England.  Aelflaed of is no longer alive.

 Sibyl Sywardsdottir , of Northumbria
Sibyl was born about 1014 in Northumbria, England.  She died in 1040.

 Waltheof II Earl of Huntingdon & Northumberland
Waltheof II Earl of Huntingdon & was born about 1036 in Northumberland, England.  He died on May 31st, 1076 in Beheaded at Winchester, Hampshire, England.  He was buried in Crowland, Lincolnshire, England.