Geoffrey IV de Say
Geoffrey IV was born about 1304.  He died on June 6th, 1359.

 Maud de Beauchamp
Maud was born in 1309 in Warwick Castle, Warwick, Warwickshire, England.  She died at the age of 60 on July 28th, 1369.

 Joan de Say
Joan was born after 1326.

 Adonia (Idonia) de Say
Adonia (Idonia) was born about 1327 in Berling, Kent, England.  She died in 1397.