Prince Louis is struggling to understand the passing of his great-grandmother, Queen Elizabeth. The four-year-old royal – who is the youngest child of the Prince and Princess of Wales – is said to be confused by the monarch’s death and has been asking his parents lots of questions about what life will be like without the 96-year-old sovereign. The 27th governor-general of Australia David Hurley attended an event with other world leaders at Buckingham Palace hosted by senior royals over the weekend, and he shared how Catherine, Duchess of Cornwall and Cambridge told him her little boy is “sort …