Cyngen ap Cadell
Cyngen ap Cadell a oa roue Powys. Pa varvas e Roma e 855 e tegouezhas e rouantelezh etre daouarn e niz Rhodri Mawr, roue Gwynedd.

E vugale

 Elisedd ap Cyngen 
 Ieuaf ap Cyngen
 Aeddan ap Cyngen
 Gruffudd ap Cyngen

Levrlennadur 
John Edward Lloyd, A history of Wales: from the earliest times to the Edwardian conquest (Longmans, Green & Co., Llundain, 1911)

Rouaned Powys