BORN INTO ROYAL SPLENDOR, William also landed in a fractured fairy tale, as Charles and Diana’s spiraling marriage played out under an unsparing media microscope. Despite all the drama, the Prince and Princess of Wales were doting, indulgent parents. Diana was a devotee of childcare theorist Dr. Benjamin Spock, who believed in cutting kids plenty of slack. Charles, too, was something of a softie, unlike his own aloof and domineering father, Prince Philip. As a result, perhaps, “William became a law unto himself, loud and boisterous and earning the nickname ‘His Royal Naughtiness,’ ” wrote historian Robert Lacey in his 2020 book Battle of Brothers: William and Harry, the Inside Story of a Family in Tumult. The prince soon grew out of that stage, however, and seemed to acquire…
