Waltheof Oswulfsson
Waltheof was born about 0960.  He died about 1006.

 Elufleda De Northumbria
Elufleda De was born in 0940 in ,,Northumberland,England.¹   Elufleda De is no longer alive.

 Uchtred Waltheofsson
Uchtred was born in 0989 in England.  He died at the age of 27 in 1016.