David Armstrong-Jones – $17 million
David Armstrong-Jones, the Earl of Snowden, was a British nobleman. A sizable sum of money had been left to him by his mother, Princess Margaret’s son, which he had inherited. In order to improve his financial situation, he decided to open his own furniture store. He made a total of $20 million from his company, and because it was still in business, he could keep adding to his wealth.

David Armstrong-Jones – $17 million