Cynan ab Iago (c. 1014[citation needed] – c. 1063) was a Welsh prince of the House of Aberffraw.
The throne was seized by Gruffydd ap Llywelyn, a member of a cadet branch of the royal dynasty.
Olaf Sigtrygsson and Amlaíb mac Sitriuc) and the granddaughter of King Sigtrygg Silkbeard.
[6] The spelling Ragnailt appears on the list of fair women known as Bansenchas [de; cy] recorded in the Book of Leinster[5] and elsewhere.
'The Life and History of Gruffudd ap Cynan') in The Myvyrian Archaiology of Wales in the nineteenth century.