John (Sir) DE COKAYNE
John (Sir) was born in 1346.  He died at the age of 23 in 1369.

 Cecilia DE VERNON
Cecilia was born in 1348 in Ireton, Derbyshire, England.  Cecilia is no longer alive.

 John, Baron) De Cokayne (SIR
John, Baron) De Cokayne was born in 1370.  He died at the age of 59 on May 22nd, 1429.

 Edmund DE COKAYNE