Dyfnwallon ap Arthen

Dyfnwallon was born about 0755 in of Ceredigion,Wales.  Dyfnwallon's father was Arthen ap Seisyll.  His paternal grandfather was Seissil ap Arthlwys.  He was an only child.  Dyfnwallon is no longer alive.

He had a biological son named Meurig.