Complex sentence: Peter (Pierre-Etienne) Falconet (1741--1791), portrait-painter, born in Paris in 1741, was son of Etienne Maurice Falconet, the eminent sculptor of the famous statue of Peter the Great at St. Petersburg.
Split into simpler sentences: Peter (Pierre-Etienne) Falconet (1741--1791), was a French portrait-painter. Falconet was born in Paris in 1741, was the son of Etienne Maurice Falconet, the eminent sculptor of the famous statue of Peter the Great at St. Petersburg.