Complex sentence: The show was created and written by John Cleese and Connie Booth, who both also starred in the show; they were married at the time of series 1 but divorced before recording series 2.
Split into simpler sentences: The show was created and written by John Cleese and Connie Booth, who both also starred in the show. They were married at the time of series 1, but divorced before recording series 2.