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Arthen ap Seisyll

750 – 807

King of Ceredigion and saint

King

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About Arthen ap Seisyll

Lived 750 – 807 (aged 56–57). Arthen ap Seisyll was a Welsh king.

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Important facts

Born

750, Ceredigion

Birth century

8th century

Died

807

Occupation

King

Nationality

Wales

Also known as

Arthgen ap Seisyll, Arthen ap Seisyll ap Clydawg ab Arthwys

Contemporaries

People whose lives overlapped Arthen ap Seisyll's

Frequently asked questions

Who was Arthen ap Seisyll?

King of Ceredigion and saint

When was Arthen ap Seisyll born?

Arthen ap Seisyll was born in 750 in Ceredigion.

When did Arthen ap Seisyll die?

Arthen ap Seisyll died in 807.

What was Arthen ap Seisyll's occupation?

Arthen ap Seisyll was a king.

What nationality was Arthen ap Seisyll?

Arthen ap Seisyll was Welsh.

Sources & further reading

· Wikipedia: Arthen ap Seisyll

· Wikidata: Q4505352

· DBpedia: Arthen ap Seisyll

Cite this page

APA: Biography.guide. (2026). Arthen ap Seisyll. https://biography.guide/arthen-ap-seisyll/

MLA: "Arthen ap Seisyll." Biography.guide, https://biography.guide/arthen-ap-seisyll/.

Chicago: "Arthen ap Seisyll." Biography.guide. https://biography.guide/arthen-ap-seisyll/.

Data last updated: 2026-09-20 · Spot an error? Report a correction.

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