Ever wondered exactly how much money the young royals make to cover the cost of their official duties? On Tuesday, the palace shared its Annual Review [1], which summarizes the work, income, and expenses of Prince Charles and Camilla, Duchess of Cornwall. This year, his income from the Duchy of Cornwall [2], a huge estate established in the 14th century [3] and given to the heir to the throne, totaled $31.1 million. Of those millions, $4.6 million went to the staff, travel, and official wardrobes for Prince William, Prince Harry, and Kate Middleton. Learn more facts about the royal family [4], including details on their royal traditions [5].