Complex sentence: The Barron Knights are a British humorous pop group, originally formed in 1959 in Leighton Buzzard as the Knights of the Round Table, became the Barron Kinghts on 5 October 1960.
Split into simpler sentences: The Barron Knights are a British humorous pop group, originally formed in 1959 in Leighton Buzzard as "The Knights of the Round Table". They became the Barron Kinghts on 5 October 1960.