sentences:  In 1725, the spread of vineyards throughout Bordeaux was so vast that it was divided into specific areas so that the consumer could tell exactly where each wine was from.The collection of districts was known as the "Vignoble de Bordeaux", and bottles were labeled with both the region and the area from which they originated.During this period, Nicolas-Alexandre, marquis de Ségur rose to prominence as the "Prince of Vignes" due to his ownership of some of Bordeaux's most prestigious estates and Pierre de Rauzan laid the foundation for Château Rauzan-Ségla, Château Rauzan-Gassies, Château Pichon Longueville Baron, and Château Pichon Longueville Comtesse de Lalande.