Complex sentence: General under Napoleón I and Joachim Murat, in 1814 he emigrated to América; in 1823 he was invited by Simón Bolívar to join his army, as a confidant and a right hand man he accompanied Bolívar in Bucaramanga.
Split into simpler sentences: General under Napoleón I and Joachim Murat, in 1814 he emigrated to América. Then, in 1823, was invited by Simón Bolívar to join his army, and as a confidant and a right hand man he accompanied Bolívar in Bucaramanga.