Siward Bjornsson Earl of Northumberland
Siward Bjornsson was born about 1010 in Denmark.¹   He died in York, Yorkshire, England.¹ 

 Aelflaed of Bernicia
Aelflaed was born about 1010 in Bernicia, Northumberland.¹   Aelflaed is no longer alive.

 Sybilla Fitzsiward
Sybilla was born about 1025.¹   She died in 1040.¹