Ruler · 1055 – 1137

Gruffudd ap Cynan

Lived 1055 – 1137. King of Gwynedd of Kingdom of Gwynedd, 1081 – 1137.

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

Lived: 1055 – 1137; 82 years
In office: 56 years; one reign
Lines: 1; Kingdom of Gwynedd
Left it: died in office; read off the dates alone

King of Gwynedd

Kingdom of Gwynedd · the 34th of 40 dated reigns · 450 – 1240

30 before

Rhiwallon ap Cynfyn1063 – 1069

Bleddyn ap Cynfyn1063 – 1075

Trahaearn ap Caradog1075 – 1081

Gruffudd ap Cynan1081 – 1137

Owain Gwynedd1137 – 1170

Hywel ab Owain Gwynedd1170

Rhodri ab Owain Gwynedd1170 – 1195

3 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 1081 – 1137 · 56 years · came to it aged 26

Left it: died in officeread off the dates alone: the term ends in 1137, the year they died

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Gruffudd ap Cynan in the atlas: the article, every line they sat in, and the map in their years.
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Wikidata Q687930 (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.