We mostly get to see Charles with his grandchildren at big royal events like Trooping the Colour, and their future lives as leading members of the House of Windsor is something he takes very seriously indeed. He spoke a lot about the role of Prince of Wales, a title that will one day pass to William and then George, and he's always been keen to help his grandchildren learn the royal ropes as easily and happily as possible.
Image Source: Getty/ Max Mumby