Sir John De Cobham
Sir John was born in 1324 in Cobham, Strood, Kent, England.  He died in Cobham Manor, Cowling, Kent, England.

 Margaret de Courtenay
Margaret was born in 1331 in Exeter, Devonshire, England.  She died at the age of 54 on August 2nd, 1385 in Cobham Manor, Cowling, Kent, England.

 Joan De Cobham
Joan was born in 1360 in Cobham Manor, Cowling, Kent, England.  She died at the age of 74 in 1434.