1. Blue Forest
    The wildest forest in the world, located in North Wales.

    It contained only one house, and was surrounded by a five-league radius of barren, unpopulated land. Sir Sagremor (Sagramore) was assaulted by eight knights while traveling through the Blue Forest, but he was rescued by Gawaine.

  2. Blue Knight

    The alias of Sir Persaunt (Persant), a knight defeated by Gareth in Malory.

    In Tennyson, he calls himself "The Son of the Morning Star".

    See also
    Colored Knights | The Legend of King Arthur