Prince Richard, Duke of Gloucester – $25 million
Prince Richard, Duke of Gloucester, had a well-deserved reputation for whining about his plight as the lowest-ranking member of the royal family. When we went to his bank and looked at his savings account, we would have told him he was mad. It was possible for the Prince to save up to $20 million in his bank account because of his many assets, including his estate and heirlooms.

Prince Richard, Duke of Gloucester – $25 million