Saint Cynog
Coordinates: 52°01′31″N 3°28′50″W / 52.025327°N 3.480438°W
Cynog son of Brychan (Welsh: Cynog ap Brychan; born c. 434), better known as Saint Cynog (Old Welsh: Kennauc), was an early British saint and martyr. His shrine is at Merthyr Cynog in Wales and his feast day is observed on 7 or 9 October.
Cynog was reputedly a son of Brychan, a powerful Welsh prince of the British Dark Ages. Cynog's mother was reputedly Benadulved, daughter of Benadyl, a prince of Powys, whom Brychan seduced while a hostage at the court of her father.
He is said to have been murdered on the mountain called the Van (Bannau Brycheiniog). His relics are housed at Merthyr Cynog.
In 1188, Gerald of Wales wrote that there still existed a certain relic purported to be a royal torc that had once been worn by Cynog, presumably as an item of royal regalia. Gerald encountered this relic while travelling through Brycheiniog. He wrote of this relic:
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