William De Say
William was born in 1115 in Say, Normandy, France.  He died about 1144 in Byrwell Castle, England.

 Beatrice De Mandeville
Beatrice was born in 1092 in Mandeville, Normandy, France.  She died at the age of 85 on April 19th, 1177 in Rickling, Essex, England.  She was buried in Walden Abbey, Rickling, Essex, England.

 Geoffrey I De Say
Geoffrey I was born about 1135 in West Greenwich, Kent, England.  He died on May 19th, 1214.

 William De Saye
William was born in 1142 in Kimbolton, Norfolkshire, England.  He died at the age of 35 on August 1st, 1177.