3. Estimated Net Worth
Sir Evelyn de Rothschild has an estimated net worth of $20 billion, most of which he acquired through his family who has a net worth of $500 trillion, but also due to his career in the financial industry. He is most known as the current financial advisor of Queen Elizabeth II, as she knighted him in 1989. He is also the co-founder of E.L. Rothchild, a holding company, which he started in 2003 with his wife.