Abt 1284 - 1312 (28 years)
| 1st Earl of Cornwall Piers Gaveston Abt 1284-1312 |
| 1st Earl of Cornwall Piers Gaveston | |
| B: | Abt 1284 |
| France | |
| D: | 19 Jun 1312 |
 | Countess of Cornwall Margaret de Clare 1292-1342 |
| Countess of Cornwall Margaret de Clare | |
| B: | 12 Oct 1292 |
| Tewkesbury, Gloucestershire, England | |
| M: | Oct 1307 |
| D: | 9 Apr 1342 |
| Badlesmere, Kent, 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.
