Note 125b — Chapter VIII · PASSAGE OF THE RIVER CONWY IN A BOAT, AND OF DINAS EMRYS
Reading edition
The Merlin here mentioned was called Ambrosius, and according to the Cambrian Biography flourished about the middle of the fifth century. Other authors say, that this reputed prophet and magician was the son of a Welsh nun, daughter of a king of Demetia, and born at Caermarthen, and that he was made king of West Wales by Vortigern, who then reigned in Britain.