Igraine gives birth to Arthur at Tintagel ... However, the story of Arthur's sword, Excalibur, may have had its roots in Welsh literature. While it was not said to have possessed magical ...

Writing in Latin, Geoffrey adapted the Welsh legend of Myrddin Wyllt, altered his name to Merlin and made the character a central figure in his three books: Prophetiae Merlini, Historiae Regum ...