King of Powys Mervyn ap Rhodri Mawr

Mervyn ap Rhodri Mawr was born about 0870 in Caer Seiont,Carmarthenshire,Wales.  Mervyn ap Rhodri Mawr's father was Sovereign of Wales Rhodri Mawr * and his mother is Angharad ferch Meurig *.  His maternal grandfather was Prince of Gwynedd, King of Caredigion (Cardigan) Gwgan *. He had two brothers named Anarawd Ap Rhodri Mawr and Cadell Mawr ap Rhodri Mawr.  He was the youngest of the three children.  He died in 0903.¹ 

He had a biological son named Llywelyn ap Merfyn.