Complex sentence: Armand Marc, comte de Montmorin de Saint Herem (1745-1792), French statesman, belonged to a cadet branch of a noble family of Auvergne.
Split into simpler sentences: Armand Marc, comte de Montmorin de Saint Herem (1745-1792), was a French statesman. He belonged to a junior branch of a noble family of Auvergne.