From the Kennedys to the Kochs to the Waltons, the list is made up of 185 families, some famed for their historic and dynastic wealth, while others are simply American success stories and have only relatively recently become fabulously rich.
His grandson William Hearst III chairs the Hearst media empire which is made up of more than 300 magazines around the world and the sports channel ESPN.
Worth an incredible 2 billion, which is billion more than the second richest family, the controversial Koch brothers, the Walton family is three living children of Wal-Mart Stores founder Sam Walton, and includes the wife of son John and the two daughters of his brother and business partner James Walton.
Jacqueline Badger Mars, pictured in 2012 at a gala In Washington D. is part of the famed confectionary family who are worth billion while (right) is W. Cargill, the son of a Scottish sea captain, who started Cargill, the largest private company in America, making six family members individual billionaires and as a family worth billion 5th wealthiest family: Abigail Johnson, president of Fidelity Investments' mutual fund division, is pictured in Boston in this February 2002 photo: The asset management firm is altogether worth billion Iconic: William Randolph Hearst Jr., (lright) with his wife return from their honeymoon with a friend.
Charles is worth billion and David is worth the same.
The rest of their wealth is spread throughout the family3: The Mars family gets its wealth from Mars, the largest candy company in the world.