
| William De Courtenay | |
| B: | Abt 1220 |
| Okehampton, Devonshire, England | |
| Hawise De Courtenay | |
| B: | Abt 1222 |
| Okehampton, Devonshire, England | |
| D: | Bef 8 Apr 1269 |
| John De Neville | |
| M: | Abt 1230 |
| Of, Okehampton, Devonshire, England | |
| John De Courtenay, [Lord of Wadesdo | |
| B: | 26 Jul 1224 |
| Okehampton, Devonshire, England | |
| D: | 3 May 1274 |
| Hugh De Courtenay, [Sir Knight] | |
| B: | 25 Mar 1250 |
| , Okehampton, Devonshire, England | |
| D: | 3 Mar 1291 |
| , Cullicomb, Devonshire, England | |
| Eleanor Le Despencer | |
| B: | Abt 1252 |
| Of, Ryhall, Rutland, England | |
| M: | Abt 1274 |
| Of, , Devonshire, England | |
| D: | 30 Sep 1328 |
| , London, Middlesex, England | |
| John De Courtenay | |
| B: | Abt 1252 |
| <, Okehampton, Devonshire, England> | |
| Isabel De Vere | |
| B: | Abt 1228 |
| Of Totnes, Devonshire, England | |
| M: | Abt 1249 |
| D: | 11 Aug 1300 |
| Mary De Reviers | |
| B: | Abt 1196 |
| Of Okehampton, Devonshire, England | |
| Robert De Courtenay, [Sir Knight] | |
| B: | 1170 |
| Of Okehampton, Devonshire, England | |
| M: | 1213 |
| D: | 26 Jul 1242 |
| Iwerne, Dorset, England | |
| Pierre De Preaux | |
| M: | Abt 1159 |
| Baldwin De Rivers | |
| B: | Aft 28 Apr 1200 |
| Of, Isle Of Wight, Hampshire, England | |
| D: | 1 Sep 1216 |
| Margaret Fitzgerold | |
| M: | Abt 1215 |
| Of, Isle Of Wight, Hampshire, England | |
| Joan De Rivers | |
| B: | Abt 1202 |
| Of, Isle Of Wight, Hampshire, England | |
|
| Mabel (Mabirie) De Beaumont, [COUNTESS OF DEV | |
| B: | Abt 1168 |
| Of, MEULAN, Normandy, France | |
| D: | Aft 1 May 1204 |
| William (De Vernon) Reviers, [Earl of Devon] | |
| B: | Abt 1128 |
| Of, , Devonshire, England | |
| M: | Abt 1189 |
| Of, , , France | |
| D: | 10 Sep 1217 |