Gilbert de TYSON
Gilbert de was born about 1035 in Alnwick, Northumberland, England.  Gilbert de is no longer alive.

 Beatrice  of NORMANDY
Beatrice  of was born about 1038 in England.  Beatrice  of is no longer alive.

 William de TYSON
William de was born about 1055 in Alnwick, Northumberland, England.