470-556
| King of Brittany Budic, I | |
| B: | 470 |
| D: | 556 |
475-Yes, date unknown
| Elaine Ferch Gwrleis, of Cornwall | |
| B: | 475 |
| D: | Yes, date unknown |
448-478
| King of Brittany Erich | |
| B: | 448 |
| D: | 478 |
418-464
| King of Brittany Aldroenus | |
| B: | 418 |
| D: | 464 |
| King of Brittany Solomon Tudwal Mwyn Dawr, I | |
| B: | 400 |
| D: | 434 |
390-421
| King of Dumnonia Gradlon Mawr | |
| B: | 390 |
| D: | 421 |
380-Yes, date unknown
| Lady Tigrada, of Ireland | |
| B: | 380 |
| D: | Yes, date unknown |
340-421
| King of Brittany Conon Meriadoc | |
| B: | 340 |
| D: | 421 |
340-Yes, date unknown
| Dareca Niccalpurius, of Ireland | |
| B: | 340 |
| D: | Yes, date unknown |
297-Yes, date unknown
| Lord of Meriadoc Caradoc Ap Einydd | |
| B: | 297 |
| D: | Yes, date unknown |
500-550
| King of Dumnonia Erbin | |
| B: | 500 |
| D: | 550 |
460-546
| High King of Britain Constantine | |
| B: | 460 |
| D: | 546 |
430-500
| King of Dumnonia Tudvawl | |
| B: | 430 |
| D: | 500 |
410-Yes, date unknown
| Amlawdd Wledig Ap Cynwal, of Dumnonia | |
| B: | 410 |
| D: | Yes, date unknown |
414-Yes, date unknown
| Gwen Ferch Cunedda, of Gwenydd | |
| B: | 414 |
| D: | Yes, date unknown |
390-Yes, date unknown
| Cynwal Ap Ffrwdwr, of Dumnonia | |
| B: | 390 |
| D: | Yes, date unknown |
432-Yes, date unknown
| Ffrwdwr Ap Gwrfawr, of Dumnonia | |
| B: | 432 |
| D: | Yes, date unknown |
452-Yes, date unknown
| Iferna Ferch Amlaydd, of Dumnonia | |
| B: | 452 |
| D: | Yes, date unknown |
| Duke of Cornwall Gwrleis Sap Ap Sartogys | |
| B: | 460 |
| D: | 490 |
414-Yes, date unknown
| Gwen Ferch Cunedda, of Gwenydd | |
| B: | 414 |
| D: | Yes, date unknown |
410-Yes, date unknown
| Amlawdd Wledig Ap Cynwal, of Dumnonia | |
| B: | 410 |
| D: | Yes, date unknown |
| King of Gwenydd Cadwallon Lawhir Ap Einion | |
| B: | 442 |
| D: | 517 |
446-Yes, date unknown
| Meddtf Ferch Maeldaf, Wife, of Gwenydd | |
| B: | 446 |
| Nannchonwy, Arlechwedd, Caernavon, Wales, United Kingdom | |
| D: | Yes, date unknown |
417-500
| King of Gwenydd Einion Yrth | |
| B: | 417 |
| North Wales, Wales, United Kingdom | |
| D: | 500 |
422-Yes, date unknown
| Prawst Ferch Tidlet, Wife, of Gwenydd | |
| B: | 422 |
| Powys, , Wales, United Kingdom | |
| D: | Yes, date unknown |
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 Rheged Meirchion Gul Ap Gwrst | |
| B: | 455 |
| D: | 540 |
460-Yes, date unknown
| Essylt Ferch Cylwynedd, Wife, of Rheged | |
| B: | 460 |
| D: | Yes, date unknown |
425-500
| King of Rheged Gurgust Lledlwm | |
| B: | 425 |
| D: | 500 |
457-Yes, date unknown
| Einion Ap Mar, of North Britain | |
| B: | 457 |
| D: | Yes, date unknown |
427-Yes, date unknown
| King of North britain Mar Maeswig Gloff Ap Ceneu | |
| B: | 427 |
| D: | Yes, date unknown |
| King of Northern Britain, St. Ceneu | |
| B: | 404 |
| D: | 470 |
375-Yes, date unknown
| Ystradwel Ferch Cadfan Gadeon, of Dumnonia | |
| B: | 375 |
| D: | Yes, date unknown |
360-430
| King of Britain Coel Hen | |
| B: | 360 |
| D: | 430 |
360-450
| King of Dumnonia Gadeon | |
| B: | 360 |
| D: | 450 |
345-420
| King of Dumnonia Cynan | |
| B: | 345 |
| D: | 420 |
315-Yes, date unknown
| Eudaf hen Pctavan Ap Einydd, of Dumnonia | |
| B: | 315 |
| D: | Yes, date unknown |
277-Yes, date unknown
| Einydd Ap Gwrddfn, of Dumnonia | |
| B: | 277 |
| D: | Yes, date unknown |
239-Yes, date unknown
| Gwrddwfn Ap Gorac, of Dumnonia | |
| B: | 239 |
| D: | Yes, date unknown |
201-Yes, date unknown
| Gorac Mawr Ap Merchion, of Dumnonia | |
| B: | 201 |
| D: | Yes, date unknown |
163-Yes, date unknown
| Merchion Fawdfilwr Ap Owain, of Dumnonia | |
| B: | 163 |
| D: | Yes, date unknown |
|
0090-Yes, date unknown
| Owain Ap Cyllin, of Dumnonia | |
| B: | 0090 |
| D: | Yes, date unknown |