To ensure the proper upbringing of the two young princes, yes. Until the age of 18 or possibly until the age they have concluded their education, that I can understand. But after that....??At the moment of the divorce the children, both Princes of Denmark, were the number three and four in the line of succession. I can see why the State of Denmark gave a form of apanage to ensure the proper upringing of these two royal princes, but in hindsight it was an arrangement turning into an open invitation to critics.