Ethyllt ferch Cynan, also known as Ethil, was the daughter of King

Cynan Dindaethwy ap Rhodri __NOTOC__ Cynan Dindaethwy ( en, "Cynan of Dindaethwy") or Cynan ap Rhodri ("Cynan son of Rhodri") was a king of Gwynedd (reigned c. 798 – c. 816) in Wales in the Early Middle Ages. Cynan was the son of Rhodri Molwynog an ...

of Gwynedd.

Marriage

In 768 she was married to

Gwriad ap Elidyr Gwriad ap Elidyr ( en, Gwriad son of Elidyr) or Gwriad Manaw was a late-8th century figure in Wales. Very little is known of him, and he chiefly appears in the historical record in connection to his son Merfyn Frych, King of Gwynedd from around 82 ...

, although it is possible this was a later invention to legitimise the claims to Gwynedd of the descendants of

Merfyn Frych Merfyn Frych ('Merfyn the Freckled'; Old Welsh ''Mermin''), also known as Merfyn ap Gwriad ('Merfyn son of Gwriad') and Merfyn Camwri ('Merfyn the Oppressor'), was King of Gwynedd from around 825 to 844, the first of its kings known not to have ...

. After the death of her father in 816, the throne was secured by her uncle

Hywel ap Rhodri Molwynog Hywel ap Rhodri Molwynog as he was improperly called due to lack of knowledge of the genealogies by men like John Edward Lloyd, but in fact was Hywel ap Caradog ( en, Hywel, son of Caradog ap Meirion) was King of Gwynedd (reigned 816–825). He ros ...

. 8th-century Welsh women Year of birth unknown Year of death unknown {{Wales-bio-stub