NIGHTBRINGER | The Arthurian Encyclopedia

Margan of Britain


According to Geoffrey of Monmouth, a king of Britain in the third or second century BC.

He was the son of King Arthgallo. He succeeded his cousin King Regin, ruled in tranquillity, and was succeeded by his brother Enniaun.


Source
Historia Regum Britanniae | Geoffrey of Monmouth, c. 1138