Complex sentence: Louis Léopold Robert (13 May 1794--20 March 1835), Swiss painter, was born at La Chaux-de-Fonds (Neuchâtel) in Switzerland, but left his native place with the engraver Jean Girardet at the age of sixteen for Paris.
Split into simpler sentences: Louis Léopold Robert (13 May 1794--20 March 1835) was a Swiss painter. He was born at La Chaux-de-Fonds (Neuchâtel) in Switzerland, but left his native place with the engraver Jean Girardet at the age of sixteen for Paris.