5 Oldest Richest Families in America

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1. Mars Family

Latest net worth as per Forbes (in billions): $94

Owners of one of the biggest private companies in the world, the Mars Family tops the list of the 20 oldest richest families in America. While Mars Incorporated, the source of the family’s fortune was established over 110 years ago, the family is still the second-newest family in our list, as most families in our list were established in the 19th century.

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