Ruler · 1001 – 1075

Bleddyn ap Cynfyn

Lived 1001 – 1075; monarch. King of Gwynedd of Kingdom of Gwynedd, 1063 – 1075; also in the line of Kingdom of Powys.

For the full story, the article on Wikipedia (CC BY-SA 4.0); this page holds what the record says of the reign.

Lived: 1001 – 1075; 74 years
In office: 12 years; one reign
Lines: 2; states
Left it: ending not on record; nothing on record

King of Gwynedd

Kingdom of Gwynedd · the 32nd of 40 dated reigns · 450 – 1240

28 before

Iago ab Idwal ap Meurig1023 – 1039

Gruffudd ap Llywelyn1039 – 1063

Rhiwallon ap Cynfyn1063 – 1069

Bleddyn ap Cynfyn1063 – 1075

Trahaearn ap Caradog1075 – 1081

Gruffudd ap Cynan1081 – 1137

Owain Gwynedd1137 – 1170

5 after

killed, executed or dead in battledied in officeleft alive by a regular roadending not on recorda second row: a reign that began before the last had ended — rival claimants, or a shared thronethis entry

Reigned 1063 – 1075 · 12 years

Came to it: the sibling of the ruler before, on record
Left it: ending not on recordnothing on record: no death date to read the end against

Also in the line of Kingdom of Powys (4th of 4).

Open in the atlas

Bleddyn ap Cynfyn in the atlas: the article, every line they sat in, and the map in their years.
Analyse the succession of Kingdom of Gwynedd: every reign, how each ended, and the numbers over them.
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Wikidata Q545850 (CC0) · the reigns from Wikidata's P39 terms, the rulers' own articles read by grammar (sentences quoted above, CC BY-SA 4.0) and Kokkonen & Sundell where they code the line · data built 2026-10-06 · Pastlas v2.9.1, by Oleh Voronko. The published atlas and its data are for non-commercial use.