Prince William and Kate Middleton’s three children are all expected to take part in the procession from Westminster Abbey which will follow the King’s coronation on May 6, according to new leaked plans. Leaked plans reveal that Prince George, nine, Princess Charlotte, seven, and Prince Louis, four, are likely to accompany the King and Queen Consort as they leave the Abbey after the service, the Times reports.The three siblings are expected to join their parents in a carriage behind King Charles and Queen Consort Camilla, who will travel in the Golden State Coach as they return to Buckingham Palace from Westminster Abbey.