List of rulers of Dumnonia
Elected High-Kings/Queens - 560-1219[]
House of Dyfinant[]
- Constantine I (560-576)
- Gerontius I (576-594)
- Ambrosius I (594-617)
- Constantine II (617-634)
- Gerontius II (634-672)
House of Baddan[]
- Constantine III (672-697)
- Constantine IV (697-723)
House of Cernyw[]
- Ambrosius II (723-751)
- Eve I (751-793)
- Justin I (793-814)
- Ambrosius III (814-839)
House of Dyfinant[]
- Tacitus I (839-857)
- Rhodri I (857-874)
- Howel I (874-902)
House of Baddan[]
- Justin II (902-928)
House of Glastein[]
- Gerontius III (928-941)
- Justin III (941-973)
House of Dyfinant[]
- Rhodri II (973-1004)
House of Llydaw[]
- Ambrosius IV (1004-1013)
House of Glastein[]
- Llywelyn I (1013-1033)
- Gerontius IV (1033-1052)
- David I (1052-1074)
House of Durnow[]
- Llywelyn II (1074-1117)
House of Dyfinant[]
- Gerontius V (1117-1131)
- David II (1131-1164)
- Tacitus II (1164-1189)
- David III (1189-1204)
Hereditary High-Kings (1204 onward)[]
- Llywelyn II (1204-1224)
For further monarchs, read here