Complex sentence: Williams was awarded a life peerage with the title The Baroness Williams of Crosby, of Stevenage in the County of Hertfordshire, PC, in 1993 and subsequently served as Leader of the Liberal Democrats in the House of Lords from 2001 to 2004.
Split into simpler sentences: Williams was awarded a life peerage with the title The Baroness Williams of Crosby, of Stevenage in the County of Hertfordshire, PC, in 1993. Shirley Williams was Leader of the Liberal Democrats in the House of Lords from 2001 to 2004.