1375 - 1408 (33 years)
 | Morgan Williams 1465-1494 |
| Morgan Williams | |
| B: | 1465 |
| Glamorgan, Wales | |
| D: | 1494 |
| Derbyshire, England | |
 | Katherine Cromwell 1477-Abt 1517 |
| Katherine Cromwell | |
| B: | 1477 |
| Putney, Surrey, England | |
| M: | 1494 |
| Putney Vale, Surrey, England | |
| D: | Abt 1517 |
| England | |
| William ap Yevan Williams 1435-1473 |
| William ap Yevan Williams | |
| B: | 1435 |
| Glamorgan, Wales | |
| D: | 1473 |
| Glamorgan, Wales | |
 | Joan Tudor 1453-1469 |
| Joan Tudor | |
| B: | 1453 |
| Caernarvonshire, Wales | |
| M: | 1465 |
| Wales | |
| D: | 1469 |
| Glamorgan, Wales | |
 | Margaret Kemoys 1415-1437 |
| Margaret Kemoys | |
| B: | 1415 |
| Cardiff, Glamorgan, Wales | |
| D: | 1437 |
| Glamorgan, Wales | |
| Yevan ap William 1405-1446 |
| Yevan ap William | |
| B: | 1405 |
| Glamorgan, Wales | |
| M: | 1430 |
| Monmouthshire, Wales | |
| D: | 1446 |
| London, England | |
|
| Jenkin Kemeys 1375-1408 |
| Jenkin Kemeys | |
| B: | 1375 |
| Glamorgan, Wales | |
| D: | 1408 |
| Wales | |
| Jenet verch Jevan 1395- |
| Jenet verch Jevan | |
| B: | 1395 |
| Glamorgan, Wales | |
| D: | Wales |
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.
