Complex sentence: Louis Jean Marie de Bourbon (16 November, 1725--4 March, 1793) was the son of Louis Alexandre de Bourbon and his wife Marie Victoire de Noailles and grandson of Louis XIV of France and his mistress, Madame de Montespan.
Split into simpler sentences: Louis Jean Marie de Bourbon (16 November, 1725--4 March, 1793) was the son of Louis Alexandre de Bourbon and his wife Marie Victoire de Noailles. He was also a grandson of Louis XIV of France and his mistress, Madame de Montespan.