List of Kings/Princes of Gwynedd

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• Cunedda Wledig ap Edern (Cunedda the Imperator) (c.450-c.460)
• Einion Yrth ap Cunedda (Einion the Impetuous) (c.470-c.480)
• Cadwallon Lawhir ap Einion (Cadwallon Long Hand) (c.500-c.534)
• Maelgwn Hir ap Cadwallon (Maelgwn the Tall) (c.520-c.547)
• Rhun Hir ap Maelgwn (Rhun the Tall) (c.547-c.580)
• Beli ap Rhun (c.580-c.599)
• Iago ap Beli (c.599-c.613)
• Cadfan ap Iago (c.613-c.625)
• Cadwallon ap Cadfan (c.625-634)
• Cadafael Cadomedd ap Cynfeddw (Cadfael the Battle-Shirker) (634-c.655)
• Cadwaladr Fendigaid ap Cadwallon (Cadwallader the Blessed) (c.655-c.682)
• Idwal Iwrch ap Cadwaladr (Idwal Roebuck) (c.682-c.720)
• Rhodri Molwynog ap Idwal (Rhodri the Bald and Gray) (c.720-c.754)
• Caradog ap Meirion (c.754-c.798)
• Cynan Dindaethwy ap Rhodri (c.798-816)
• Hywel ap Rhodri Molwynog (814-825)
• Merfyn Frych ap Gwriad (Merfyn the Freckled) (825-844)
• Rhodri Mawr ap Merfyn (Rhodri the Great) (844-878)
• Anarawd ap Rhodri (878-916) (establishes the Aberffraw dynasty, the senior branch of descendants from Rhodri Mawr)
• Idwal Foel ab Anarawd (Idwal the Bald) (916-942)
• Hywel Dda ap Cadell (Howell the Good) (942-950) (Dinefwr dynasty of Rhodri Mawr's descendants usurp from Aberffraw.)
• Iago ab Idwal (950-979) (returns to the Aberffraw branch)
• Ieuaf ab Idwal (950-969)
• Hywel ab Ieuaf (974-985)
• Cadwallon ab Ieuaf (985-986)
• Maredudd ab Owain (986-999) Dinefwr dynasty seizes Gwynedd
• Cynan ap Hywel (999-1005) Returns to the Aberffraw dynasty briefly
• Aeddan ap Blegywryd (1005-1018) (usurpes Gwynedd from the Aberffraw dynasty))
• Llywelyn ap Seisyll (1018-1023) (cadet branch of Mathrafal dynasty from Powys usurps from Aeddan ap Blegywryd)
• Iago ab Idwal ap Meurig (1023-1039) (Aberffraw dynasty returns)
• Gruffydd ap Llywelyn (1039-1063) (Llywelyn's son Gruffydd usurps from Aberffraw dynasty)
• Bleddyn ap Cynfyn (1063-1075) (Mathrafal dynasty of Powys "receives" Gwynedd from the English King)
• Trahaearn ap Caradog (1075-1081)
• Gruffydd ap Cynan (1081-1137) (Aberffraw dynasty returns)
• Owain Gwynedd ap Gruffydd (1137-1170) (After Owain rulers of Gwynedd are styled Prince of Aberffraw and Lord of Snowdon)

Princes of Aberffraw & Lords of Snowdon

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  • Maelgwn ab Owain Gwynedd (1170-1173)
  • Dafydd ab Owain Gwynedd (1170-1195) (in the east)
  • Rhodri ab Owain Gwynedd (1170-1190) (in the west)
  • Llywelyn Fawr ap Iorwerth (Llywelyn the Great) (1195-1240)
  • Owain Goch ap Gruffydd (Owen the Red) (1246-1255)
  • Llywelyn ap Gruffydd (Llywelyn the Last) (1246-1282) (Second acknowledged Prince of Wales)
  • Dafydd ap Gruffydd (1282-1283) (not crowned but claimed the title)
  • Madog ap Llywelyn (1294-1295) (not crowned but claimed the title)
  • Owain ap Tomas ap Rhodri (Owen the Red Hand) (1372-1378) (in exile but claimed the title)