Meurig ap Tewdrig, the son of Tewdrig (St. Tewdrig), and a king of the early Welsh kingdoms of Gwent and Glywysing
Meurig, son of King Hywel of "Morgannwg" (actually, only part of Glywysing), was said to have joined Rhodri the Great in defeating them but to have fallen in the battle.
AD), the first king of Glywysing, when the kingdom was divided between three of his sons, Pawl, Gwynllyw and Mechwyn.
The earliest surviving part of the church dates back to just after the kingdom of Glywysing was overrun by the Normans during the twelfth century and is thought to be the work of Hywel ap Iowerth, who was also the founder of the Cistercian Llantarnam Abbey.