| Margred Ferch Thomas Ap Llywelyn | |
| B: | 1330 |
| Coed, Carrdiganshire, Wales | |
 | Tudor Ap Gronwy 1300-1367 |
| Tudor Ap Gronwy | |
| B: | 1300 |
| Penmynydd, Anglesey, Wales | |
| D: | 1367 |
| Thomas Ap Llywelyn Abt 1300-Bef 1343 |
| Thomas Ap Llywelyn | |
| B: | Abt 1300 |
| D: | Bef Aug 1343 |
We make every effort to document our research. If you have something you would like to add, please contact us. Thank you to all whom have contributed in the past.
