His father had to flee his kingdom. As the King and his wife fled, their child got left behind. This is where White Knight was found by the Lady of the Lake who kept him and brought him up.
White Knight finding out his original name
Eventually, White Knight mastered Combat and other skills. Under the care of the lady of the lake then he received fame first as the White Knight
The White knight On a quest to find the Holy Grail
The White Knight got tricked into believing that Elaine of Corbenic was Queen Guinevere after he slept with her.He wanted to kill Elaine but he learned that she was pregnant with his child.
White Knight End of his Journey
White Knight is at Copper's Knight Castle at the local people cemetery to find out his original name. The White knight attempted to lift up the slab and succeded, under the slab he found "Lancelot" written.
They are Going on a Quest to search the Holy Grail With his two companions Galahad and Percival, He was awarded only a single glimpse of the Grail while his son, Galahad, was destined to behold it.
The White Knight died in the castle of Joyous Guard, by his lifelong friend Galehaut, although he wanted to be buried by the king and the Queen.