Merfyn ap Rhodri
Merfyn ap Rhodri was a late 9th century King of Powys, (d. 900).
Upon the death of his father, Rhodri the Great in 900, Merfyn inherited the Kingdom of Powys. Merfyn's 2 brothers Anarawd ap Rhodri, and Cadell ap Rhodri recieved the Kingdoms of Gwynedd and Seisyllwg.