British Kings and Queens @ p. 137
The cited information was published by 1998, Barnes and Nobles (Ref: p. 137) The author/originator was Mike Ashley.
References (7)
Parent Source:
British Kings and Queens
Individual:
King Maredudd ap Tewdws of Dyfed
Individual:
King Rhain ap Cadwgan of Dyfed
Individual:
King Cadwgan ap Cathen of Dyfed
Individual:
King Cathen ap Gwlydden of Dyfed
Individual:
King Gwlyddien ap Nowy of Dyfed
Individual:
King Nowy ap Arthwyr of Dyfed