It was Cornelius “Commodore” Vanderbilt who first created the extraordinary wealth of his family. Born into poverty in 1794, he died the richest man in the United States in 1877, with railroads and shipping the main sources of his wealth. His son William carried on making money and he too was the richest man in the country when he died in 1885. But after that, things went off the rails. Read on to find out how one of America’s most fabulous fortunes evaporated over the years.