Family
 Cynan ab Iago of Gwynedd, King of Gwynedd 1)Born ± 1014 Died ± 1063, approximately 49 years Notes: Cynan ab Iago (c. 1014 - c. 1063) was a Welsh prince of the House of Aberffraw sometimes credited with briefly reigning as King of Gwynedd. His father, Iago ab Idwal ap Meurig, had been king before him and his son, Gruffudd, was king after him. Married/ Related to:  Ragnaillt of DublinDaughter of Amlaíb mac Sitric of Dublin, King of Dublin and Máelcorcre ingen Dúnlaing of Uí Dúnlainge. Child: 1. Gruffudd ap Cynan of Gwynedd, King of Gwynedd 1)Born ± 1055 Died ± 1137, approximately 82 years Notes: Gruffudd ap Cynan (c. 1055 - 1137), sometimes written as Gruffydd ap Cynan, was King of Gwynedd from 1081 until his death in 1137. In the course of a long and eventful life, he became a key figure in Welsh resistance to Norman rule, and was remembered as King of all Wales. As a descendant of Rhodri Mawr, Gruffudd ap Cynan was a senior member of the princely House of Aberffraw. | |||
Sources
1) Source: Llywelyn ap Iorwerth ancestor table . External Linkhttp://sites.rootsweb.com/~medieval/llywelyn.htm (Data from secondary evidence)