Mandatory Credit: Photo by Tim Rooke/REX/Shutterstock (9186461cd) Prince Charles and the Sultan of Brunei at Istana Nurul Iman Prince Charles and Camilla Duchess of Cornwall visit to Brunei - 02 Nov 2017 Their Royal Highnesses will be escorted to the Green Room by His Majesty The Sultan and Her Majesty Raja Isteri, where they will attend tea with The Royal Family of Brunei, including His Majesty's siblings, The Crown Prince and Princess Sarah. Senior ministers and their spouses will also be in attendance.