Christopher Portman, 10th Viscount Portman – $2 million
It took Christopher Portman until he was 41 years old before he was named the ninth Viscount Portman of Portman. Sadly, he died before he could take over his father’s title and make it his own. Forbes magazine has compiled a list of the world’s wealthiest people, and he and his family were found to be included. He amassed a sizable fortune by managing a vast estate in London and the United States.

Christopher Portman, 10th Viscount Portman – $2 million