Complex sentence: Alexandre-Georges-Henri Regnault (October 31,1843-January 19,1871), French painter, born at Paris, was the son of Henri Victor Regnault.
Split into simpler sentences: Alexandre-Georges-Henri Regnault (October 31,1843--January 19,1871) was a French painter. Regnault was born in Paris, the son of Henri Victor Regnault.