1228 - 1300 (72 years)
 | 2nd Baron Grey of Codnor Richard Codnor de Grey Abt 1281-1334 |
| 2nd Baron Grey of Codnor Richard Codnor de Grey | |
| B: | Abt 1281 |
| Codnor, Derbyshire, England | |
| D: | 10 Mar 1334 |
| Codnor, Derbyshire, England | |
 | Joan FitzPayn 1286-1335 |
| Joan FitzPayn | |
| B: | 1286 |
| Codnor, Derbyshire, England | |
| M: | 1300 |
| Monmouthshire, Wales | |
| D: | 18 Oct 1335 |
| Aylesford, Kent, England | |
 | Eleanor de Courtenay 1266-1301 |
| Eleanor de Courtenay | |
| B: | 1266 |
| Okehampton, Devon, England | |
| D: | 6 Jun 1301 |
| Codnor, Derbyshire, England | |
 | 1st Baron Grey of Codnor Henry de Grey 1256-1308 |
| 1st Baron Grey of Codnor Henry de Grey | |
| B: | 1256 |
| Derbyshire, England | |
| D: | 1 Sep 1308 |
| Aylesford, Kent, England | |
| 3rd Baron of Okehampton Sir Hugh de Courtenay | |
| B: | 25 Mar 1249 |
| Okehampton, Devon, England | |
| D: | 28 Feb 1291 |
| Colyton, Devon, England | |
| Baroness Okehampton Eleanor le de Spencer | |
| B: | 1248 |
| Ryhall, Rutland, England | |
| D: | 30 Sep 1328 |
| London, England | |
|
| Isabel de Vere 1228-1300 |
| Isabel de Vere | |
| B: | 1228 |
| Totnes, Devon, England | |
| D: | 11 Aug 1300 |
| Okehampton, Devon, England | |
| 2nd Baron of Okehampton John de Courtenay | |
| B: | 26 Jul 1224 |
| Okehampton, Devon, England | |
| M: | 1249 |
| Devon, England | |
| D: | 3 May 1274 |
| Devon, England | |
We make every effort to document our research. There is a lot of information that I do not have, and I know there are mistakes in this tree. My feelings will not be hurt if you give me corrections or additional information, especially if you can provide sources for the information.
