Since when has the husband of Diana, Princess of Wales been heir apparent?
Diana: In Her Own Words Diana: In Her Own Words is a television documentary that was broadcast on Channel 4 in the United Kingdom on 6 August 2017. The film includes footage of the late Diana, Princess of Wales discussing aspects of her personal life, including her marriage to Prince Charles which was recorded during conversations she had with a voice coach in 1992 and 1993.
Prince Constantijn of the Netherlands Prince Constantijn of the Netherlands ("Constantijn Christof Frederik Aschwin"; born 11 October 1969) is the third and youngest son of the former Dutch queen, Beatrix, and her husband, Claus von Amsberg, and is the younger brother of the reigning Dutch king, Willem-Alexander. He is a member of the Dutch Royal House of Orange-Nassau and currently fourth in the line of succession to the Dutch throne.