Sir Lancelot is a legendary Knight of the Round Table in Arthurian Legend, renowned as King Arthur's greatest knight but infamous for his adulterous love affair with Queen Guinevere which ultimately leads to the downfall of Camelot. Raised by the Lady of the Lake, he is known as Lancelot du Lac, a peerless warrior whose loyalty is torn between his king and his love for the queen, and who fathers the pure knight Galahad.