Richard de Grey
Richard was born in 1281 in Codnor, Derbyshire, England.

 Joan FitzPayn
Joan was born about 1281.

 John de Grey
John was born in 1305.  He died at the age of 87 on December 14th, 1392 in Aylesford, Kent, England.

 Robert de Grey
Robert was born about 1319.

 Joan (Jane) de Grey
Joan (Jane) was born in Codnor, Derbyshire, England.  She died on July 21st, 1369 in Ellenhall, Staffordshire, England.