Complex sentence: The company received their royal charter from King Henry IV in 1407, but its roots may go back to the Fraternity of St. Thomas of Canterbury, which claimed to have liberties existing as early as 1216.
Split into simpler sentences: The company received their royal charter from King Henry IV in 1407, but its roots may go back to the Fraternity of St. Thomas of Canterbury. It claimed to have liberties existing as early as 1216.