Cornelius Vanderbilt II was an American businessman and a prominent member of the Vanderbilt family, known for his significant contributions to the railroad and shipping industries during the late 19th century. Born on November 27, 1843, he was the grandson of Cornelius Vanderbilt, the founder of the Vanderbilt fortune. Cornelius II played a crucial role in expanding the family's business interests and managing their extensive railroad empire. In addition to his business ventures, Vanderbilt II was also known for his lavish lifestyle and philanthropy. He was instrumental in the construction of the Vanderbilt Mansion in New York City, which became a symbol of wealth and prestige. His efforts helped solidify the family's legacy in American history.