Baron of Oakhampton John de Courtenay
John was born on July 26th, 1224 in Okehampton, Devonshire, England.¹   He died at the age of 48 on May 3rd, 1273.  He was buried in Ford Abbey.^2 1 

 Isabel de Vere
Isabel was born in 1222.³   She died at the age of 78 on August 11th, 1300 in Nutwell Manor, Woodbury, Devonshire, England.¹ 

 Hugh de Courtenay
Hugh was born on March 25th, 1248 in Okehampton, Devonshire, England.⁴   He died at the age of 42 on February 28th, 1291 in Colecomb, Devonshire, England.  He was buried in Cowick.⁴ 

 Eleanor de Courtenay
Eleanor was born in 1255 in Okehampton, Devonshire, England.²