John De Courtenay
John was born on July 26th, 1224 in Okehampton, Devonshire, England.¹   He died at the age of 49 on May 3rd, 1274.  He was buried on May 5th, 1274 in Ford Abbey, Devonshire, England.^1 1 

 Isabelle De Vere
Isabelle was born about 1228 in Totnes, Devon.¹   She died on August 11th, 1300.  She was buried in Church Of Black Friars, Exeter.^1 1 

 Hugh De Courtenay
Hugh was born on March 25th, 1250 in ,Okehampton, Devonshire, England.¹   He died in ,Cullicomb, Devonshire, England.  He was buried in ,Cowick, Devonshire, England.^1 1