| Father | Male Hugh De Courtenay, [Sir Knight] |
| Born | 18 Mar 1248/1250 | , Okehampton, Devonshire, England |
| Died | 21 Feb 1291 | , Cullicomb, Devonshire, England |
| Buried | , Cowick, Devonshire, England |
|
| Married | Abt 1290 | Of, Devonshire, England |
| Father | John De Courtenay | F7010 Group Sheet | |
| Mother | Isabel De Vere | F7010 Group Sheet | |
| Mother | Female Eleanor Le Despencer |
| Born | Abt 1239 | Of, Ryhall, Rutland, England |
| Died | 22 Sep 1328 | , London, Middlesex, England |
| Buried | 23 Sep 1328 | , Cowick, Devonshire, England |
| Father | Hugh Le Despencer | F15719 Group Sheet | |
| Mother | Mrs-Hugh Le Despencer | F15719 Group Sheet | |
| Child 1 | Female Eleanor De Courtenay, [Baroness Grey] |
| Born | Abt 1259 | Of, Okehampton, Devonshire, England |
| Died | ||
| Buried | ||
| Spouse | Henry De Grey | F16359 | |
| Married | Abt 1278 | Of, Devonshire, England |
| Child 2 | Male + Hugh De Courtenay |
| Born | 7 Sep 1273 | , Okehampton, Devonshire, England |
| Christened | (16-1291/2) | |
| Died | 15 Dec 1340 | , Exeter, Devonshire, England |
| Buried | 28 Jan 1340 | Cowick, Exeter, Devonshire, England |
| Spouse | Agnes Saint John | F16350 | |
| Married | 1291 | |
| Child 3 | Male Philip De Courtenay |
| Born | Abt 1276 | Of, Okehampton, Devonshire, England |
| Died | 16 Jun 1314 | |
| Buried |
| Child 5 | Female Margaret De Courtenay |
| Born | Abt 1278 | Of, Okehampton, Devonshire, England |
| Died | 10 Mar 1348 | |
| Buried | ||
| Spouse | Nicholas De Moels | F16360 | |
| Married | Bef Jan 1312 | Of, Devonshire, England |
| Child 6 | Female Avelina "Ada" De Courtenay, [Baroness] |
| Born | Abt 1280 | Of, Okehampton, Devonshire, England |
| Died | 19 Apr 1327 | |
| Buried | ||
| Spouse | John Giffard | F16361 | |
| Married | Bef 29 Oct 1311 | Of, Okehampton, Devonshire, England |
| Child 7 | Female + Isabell De Courtenay |
| Born | Abt 1282 | Of, Okehampton, Devonshire, England |
| Died | ||
| Buried | ||
| Spouse | Reynold Paveley | F16362 | |
| Married | 14 Jun 1333 | |
| Spouse | John De Saint John | F16363 | |
| Married | ||
| Child 8 | Male John De Courtenay |
| Born | Abt 1282 | Of, Okehampton, Devonshire, England |
| Died | ||
| Buried | ||
| Spouse | Reynold Paveley | F16364 | |
| Married | ||
| Child 10 | Female Egeline De Courtenay |
| Born | Abt 1286 | Of, Okehampton, Devonshire, England |
| Died | 2 Oct 1335 | |
| Buried | ||
| Spouse | Robert De Scales | F16365 | |
| Married | ||