John Cokayne , Chief Baron of Exchequer, Sir
John was born about 1365 in Ashbourne Hall, Derbyshire, England.  He died in 1429 in Hatley Cokayne, Bedfordshire, England.

 Ida de Grey
Ida de was born about 1368 in Ruthin, Denbighshire, Wales.  She died on June 1st, 1426.

 Elizabeth Cokayne
Elizabeth was born about 1395 in Bury Hatley, Bedfordshire, England.  She died after 1422.