Lord Frederick Windsor – $40 million
Lord Frederick Windsor’s daughter Sophie Winkleman was his wife. His relatives, including his parents and siblings, were all well-known members of the royal family. Aside from royal responsibilities, he had a job that paid a wage. But he didn’t stop there with his money. Before his death, he had been both a journalist and a businessman. Thus, he ended up with an impressive sum of money in his bank account.

Lord Frederick Windsor – $40 million