Career
The longer patronymic form of his name is usually used to distinguish him from the earlier and better-known Gruffudd ap Cynan, king of Gwynedd. He was born c.1150 and died at Aberconwy Abbey in 1200. Gruffudd is known to have had only one son.
Hywel ap Gruffudd ap Cynan ab Owain Gwynedd.
Who is not known to have had any children of his own and died in 1216.
