Ruler · 880 – 950

Hywel Dda

Lived 880 – 950. King of Deheubarth of Kingdom of Deheubarth, 920 – 950; also in the line of Kingdom of Brycheiniog, Kingdom of Dyfed, Kingdom of Seisyllwg and Kingdom of Gwynedd.

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

Lived: 880 – 950; 70 years
In office: 30 years; one reign
Lines: 5; states
Left it: died in office; read off the dates alone

King of Deheubarth

Kingdom of Deheubarth · the 1st of 7 dated reigns · 920 – 1078

Hywel Dda920 – 950

Owain ap Hywel Dda950 – 987

Maredudd ab Owain986 – 999

Cynan ap Hywel999 – 1003

3 after

killed, executed or dead in battledied in officeleft alive by a regular roada second row: a reign that began before the last had ended — rival claimants, or a shared thronethis entry

Reigned 920 – 950 · 30 years · came to it aged 40

Left it: died in officeread off the dates alone: the term ends in 950, the year they died

Also in the line of Kingdom of Brycheiniog (4th of 4), Kingdom of Dyfed (1st of 1), Kingdom of Seisyllwg (2nd of 2) and Kingdom of Gwynedd (21st of 40).

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Hywel Dda in the atlas: the article, every line they sat in, and the map in their years.
Analyse the succession of Kingdom of Deheubarth: every reign, how each ended, and the numbers over them.
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Wikidata Q422205 (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.