| Father | Male Robert De Courtenay, [Sir Knight] |
| Born | 1169 | Of Okehampton, Devonshire, England |
| Died | 19 Jul 1242 | Iwerne, Dorset, England |
| Buried | 21 Jul 1242 | Ford Abbey, Devonshire, England |
| Married | 1212 | |
| Father | Renaud "Reginald" Seigneur Courtenay | F6998 Group Sheet | |
| Mother | Hawise De Curcy | F6998 Group Sheet | |
| Mother | Female Mary De Reviers |
| Born | Abt 1195 | Of Okehampton, Devonshire, England |
| Died | ||
| Buried | ||
| Other Spouse | Pierre De Preaux | F16382 | |
| Married | Abt 1158 | |
| Father | William Reviers, [Earl of Devon] | F16391 Group Sheet | |
| Mother | Mabel De Beaumont, [Countess] | F16391 Group Sheet | |
| Child 1 | Male William De Courtenay |
| Born | Abt 1219 | Okehampton, Devonshire, England |
| Died | ||
| Buried | ||
| Spouse | Joan Basset | F16384 | |
| Married | ||
| Child 2 | Female Hawise De Courtenay |
| Born | Abt 1221 | Okehampton, Devonshire, England |
| Died | Bef 1 Apr 1269 | |
| Buried | ||
| Spouse | John De Neville | F16385 | |
| Married | Abt 1229 | Of, Okehampton, Devonshire, England |
| Spouse | John De Gatesden | F16386 | |
| Married | ||
| Child 3 | Male + John De Courtenay |
| Born | Abt 1217 | Okehampton, Devonshire, England |
| Died | 26 Apr 1274 | |
| Buried | Ford Abbey, Devonshire, England |
|
| Spouse | Isabel De Vere | F7010 | |
| Married | ||