Prince Phillip, Duke of Edinburgh – $20 million
The queen’s husband, Prince Philip, Duke of Edinburgh, lived to reach 97 years old and was the oldest member of the royal family. His annual income was $442,000, which he derived from his official duties in the Queen’s name. State dinners, foreign trips, and the state opening of the parliament were all included in his compensation. Towards the end of his career, he announced his resignation. With his savings, he was able to live comfortably for the time being.

Prince Phillip, Duke of Edinburgh – $20 million