He may be gearing up to be crowned in one of the most historic events that will be watched by the eyes of the world. - but to his five grandchildren, King Charles is simply grandad.
The monarch has spoken of his pride in his youngest relatives, however, despite his clear love for each and every one of his five grandkids, it appears that his bond with each of them differs greatly.
Of course, he sees more of Prince George, Princess Charlotte and Prince Louis, who all live in the UK with their parents the Prince and Princess of Wales, who are close to the King.