Who were John (I) ap Gruffudd ap Llywelyn ap Hwlcyn Griffith, of Chwaen Hen's parents?

Question

Accepted Answer

John (I) ap Gruffudd ap Llywelyn ap Hwlcyn Griffith, of Chwaen Hen's parents were Gruffudd ap Llywelyn and Catrin ferch John ap Maredudd.

John (I) ap Gruffudd ap Llywelyn ap Hwlcyn Griffith, of Chwaen Hen