One Boston family owns 49% of one of the world's most successful mutual fund companies, and the company employees own the other 51%. The company is Fidelity. Because of this successful company, four Johnson family members are on the annual Forbes 400 list. Today, I will talk about the richest woman in the family who lives in Boston, Massachusetts. Her name is Elizabeth Johnson. Her net worth exceeds $5.1 billion, making her the 196th richest person in the country.