Complex sentence: Alexander Mosby Clayton (January 15,1801--September 30,1889) was an American judge who served as a member of the Provisional C.S. Congress from Mississippi (1861).
Split into simpler sentences: Alexander Mosby Clayton (January 15,1801--September 30,1889) was an American jurist. He served as a member of the Provisional C.S. Congress from Mississippi (1861).