Geoffrey III 1st Baron de Say , Sir
Geoffrey III 1st Baron de was born in 1281 in Berling, Kent, England.  He died in Elsenham Manor, Essex, England.

 Idonea de Leybourne
Idonea de was born about 1283 in Leybourne, Malling, Kent, England.  She died after 1322.

 Geoffrey IV 2nd Baron de Say , Sir
Geoffrey IV 2nd Baron de was born before June 4th, 1305 in Sawbridgeworth, Hertfordshire, England.  He died on June 26th, 1359.

 Juliana de Say
Juliana de was born about 1308 in Berling, Kent, England.

 Katherine de Say
Katherine de was born about 1310 in Berling, Kent, England.  She died after September 29th, 1355.