1304 - 1337 (33 years)
| 1st Barron Berkeley James Berkeley | |
| B: | 1394 |
| Wales | |
| D: | Nov 1463 |
| Berkeley, Gloucestershire, England | |
| Lady Isabel Mowbray | |
| B: | 1396 |
| Gloucestershire, England | |
| M: | 1424 |
| D: | 29 Sep 1452 |
| Gloucester, Gloucestershire, England | |
| Joan Talbot | |
| M: | 25 Jul 1457 |
| St John | |
| M: | 1410 |
| Stafford | |
| M: | 1415 |
| Sir James Berkeley | |
| B: | Berkeley, Gloucestershire, England |
| D: | 13 Jun 1405 |
| England | |
| 4th Lord Berkeley Maurice Berkeley | |
| B: | 1330 |
| Berkeley, Gloucestershire, England | |
| D: | 1363 |
| Baroness Berkeley Elizabeth de Spenser | |
| B: | Abt 1327 |
| Stoke Albany, Northamptonshire, England | |
| M: | Aug 1338 |
| D: | 13 Jul 1389 |
| Thornbury, Gloucestershire, England | |
|
| Margaret de Mortimer | |
| B: | 2 May 1304 |
| D: | 5 May 1337 |
| 3rd Lord Berkeley Sir Thomas de Berkeley | |
| B: | 1296 |
| England | |
| M: | May 1319 |
| D: | 27 Oct 1361 |
| Gloucestershire, 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.
