5 Oldest Richest Families in America

4. Cox Family

Latest net worth as per Forbes (in billions): $34.5

The Cox family owns Cox Enterprises, a media and automotive company which it operates through its subsidiaries Cox Communications and Cox Automotive. Recently, the company, which was established in 1898, has created a venture arm which is likely to aim for governmental tech contracts, and if successful, will cement the Cox family among the richest oldest families in America.