Geoffrey (the Surety) de SAY
Geoffrey (the Surety) de was born about 1150 in Essexshire, England.  He died on May 19th, 1214.

 Alice de CHESNEY
Alice de was born about 1170 in Newtimber, Sussexshire, England.  Alice de is no longer alive.

 William III de SAY
William III de was born about 1207.  He died on February 12th, 1271.