Waltheof I of Northumbria
Waltheof I of was born before 0960.  He died about 1006.

 UNKNOWN Elfeda
UNKNOWN was born in 0965 in Northumbria/Northumberland, England.  She died after 0989.

 Eadulf I of Bamburgh
Eadulf I of was born about 0989.  He died in 1019.

 Uchtred the Bold of Northumbria
Uchtred the Bold of was born in Northumberland, England.