Reynold de Cobham
Reynold was born about 1295.  He died on October 5th, 1361.

 Joan de Berkeley
Joan was born after 1320.  She died on October 2nd, 1369.

 Joan de Cobham
Joan was born about 1348.

 Reynold de Cobham
Reynold was born in 1348.  He died at the age of 55 on July 6th, 1403.