390-Yes, date unknown
| Gwawl Ferch Coel, of Britain | |
| B: | 390 |
| D: | Yes, date unknown |
386-460
| King of Gwenydd Cunedda Wledig | |
| B: | 386 |
| Cardigan, Wales, United Kingdom | |
| D: | 460 |
| King of Northern Britain, St. Ceneu | |
| B: | 404 |
| D: | 470 |
360-430
| King of Britain Coel Hen | |
| B: | 360 |
| D: | 430 |
375-Yes, date unknown
| Ystradwel Ferch Cadfan Gadeon, of Dumnonia | |
| B: | 375 |
| D: | Yes, date unknown |
340-Yes, date unknown
| Guotepauc Ap Tegfan, of Britain | |
| B: | 340 |
| D: | Yes, date unknown |
|
320-Yes, date unknown
| Tegfan Gloff Ap Teuhvant, of Britain | |
| B: | 320 |
| D: | Yes, date unknown |