He was in power some time before 470 AD .
Meurig ap Tewdrig ( Latin : Mauricius ) was the son of Tewdrig ( St. Tewdrig ) , and a king of the early Welsh kingdoms of Gwent and Glywysing .
Meurig ap Tewdrig was in power some time before 470 AD .
Meurig ap Tewdrig ( Latin : Mauricius ) was the son of Tewdrig ( St. Tewdrig ) , and a king of the early Welsh kingdoms of Gwent and Glywysing .