Speaking on behalf of Smooth Spins Casino , Stooks shares that for King Charles, Balmoral allows him to “switch off, even if only for a little while.” Latest Videos From Marie Claire Watch full video here:Princess Anne and Prince Charles pull a baby Andrew Mountbatten-Windsor in his pram at Balmoral Castle in 1960. For Prince William, Prince Harry, and their cousins, the same rings true, and the young royals spent many happy summers with their parents and grandparents exploring the Scottish estate. Prince William, King Charles (then the Princes of Wales) and Prince Harry pose during their 1997 Balmoral holiday. “Prince William and Prince Harry always loved being there, and so did Catherine.”