King Charles III may «very much» want Prince Harry and his grandchildren to attend his upcoming coronation, a source tells ET that the royal family feels Harry and Meghan Markle attending could divert attention away from the historic event.A source close to the royal family tells ET that there's concern that if Harry and Meghan attend the May 6 coronation ceremony in London, it could steal the spotlight from the king himself.«The big concern is the chaos that could overshadow the coronation if they attend,» the source says. «No one wants to see the focus taken away from King Charles with the press focused on Harry and Meghan and past family squabbles.»The source adds, «The fear is — if they do come — more private matters could be made public, so efforts are being made to prevent that.»As ET reported last month, a source close to the royal family had said Charles «very much wants Prince Harry and his grandchildren at his coronation.» This came after a spokesperson for the Duke and Duchess of Sussex told ET that the couple had been invited by email.«The duke has recently received email correspondence from His Majesty's office regarding the coronation.