Complex sentence: Jules Auguste Armand Marie, prince de Polignac (1780--March 29,1847), French statesman, played a conspicuous part in the clerical and ultra-royalist reaction after the Revolution.
Split into simpler sentences: Jules Auguste Armand Marie, prince de Polignac (1780--March 29 1847), French was a statesman. He played a conspicuous part in the clerical and ultra-royalist reaction after the Revolution.