William I BERTRAM
William I was born about 1080 in Mitford Castle, Morpeth, Northumberland, England.

 Hawise BALIOL
Hawise was born about 1108 in Bywell, Hexham, Northumberland, England.  Hawise is no longer alive.

 Richard I BERTRAM
Richard I was born about 1135 in Mitford, Northumberland, England.