William De Saye
William was born in 1123 in Normandy, France.  He died at the age of 21 in August 1144 in Siege at Burnwell Castle.

 Beatrix De Mandeville
Beatrix was born in 1127 in Mandeville Normandy France.  She died at the age of 70 on April 19th, 1197 in Rickling, Essex, England.  She was buried in Walden Abbey, Rickling, Essex, England.

 Geoffrey De Saye
Geoffrey was born in 1144.