REVEALED: William extended '11th-hour' olive branch to Harry and Meghan after phonecall from the King: New Prince of Wales William 'invited' Sussexes to join him and Princess Kate for Windsor walkabout as grief forces ceasefire in family's squabbles br The Duke and Duchess of Sussex greet crowds outside Windsor Castle. The pair were also joined by the Duke and Duchess of Cambridge following the death of Queen Elizabeth II.