NIGHTBRINGER | The Arthurian Encyclopedia

Ariohan

Aroan

Father of Frollo, the ruler of Gaul slain by Arthur. After his son’s death, he raised an army of Saxons to invade North Wales.

Kings Arthur, Meliadus, Pellinore, and the Good Knight Without Fear opposed him, and he was defeated in single combat by Meliadus.

He returned home and became ruler of Denmark by marrying the king’s daughter. Ogier the Dane was one of his descendants.


Source
Palamedes | c. 1240