Complex sentence: Birk was created a life peer as Baroness Birk, of Regent's Park in Greater London, on 15 September 1967, and served as a Baroness in Waiting between March and October 1974.
Split into simpler sentences: Birk was created a life peer as Baroness Birk, of Regent's Park in Greater London, on 15 September 1967. She served as a Baroness in Waiting between March and October 1974.