| 1. Joshua Blethyn |
 |
| B: |
1625 |
| P: |
Monmouthshire, , Wales, United Kingdom |
| D: |
|
| P: |
|
|
| 2. James Blethyn |
|
| B: |
1602 |
| P: |
Mathern, Monmouthshire, Wales, United Kingdom |
| M: |
12 Jan 1628 |
| P: |
Llanasa, Flintshire, Wales, United Kingdom |
| D: |
1660 |
| P: |
Wales, , , United Kingdom |
|
| 4. Rev William Blethyn |
|
| B: |
1576 |
| P: |
Mathern, Monmouthshire, Wales, United Kingdom |
| M: |
1602 |
| P: |
Whitechapel, Lancashire, England, United Kingdom |
| D: |
|
| P: |
|
|
| 8. William Blethyn |
=> |
|
| B: |
1546 |
| P: |
Llandaff, Glamorgan, Wales, United Kingdom |
| M: |
1571 |
| P: |
Mathern, Monmouthshire, Wales, United Kingdom |
| B: |
Between 1590 and 1591 |
| P: |
Mathern, Monmouthshire, Wales, United Kingdom |
|
1625 -
