47. Smith Family

Net Worth: $6 Billion

These aren’t just any Smiths. Banker Byron Smith founded the Northern Trust Company at the end of 1880s, and his successors are still very much involved with the business.

46. Johnson Family

Net Worth: $6.3 Billion

Johnson & Johnson’s famous shampoo promised the world that we will forget about crying in the shower with its clever “No more tears” campaign. We bet the members of the Johnson family have been singing in the shower ever since.

45. Phipps Family

New Worth: $6.6 Billion

After his successful partnership with Andrew Carnegie and real estate affairs paid off in a big way, Henry Phipps, Jr. spent his time doing charity work. He still had enough money left for his family, surely.