The eldest daughter of Prince Andrew and Sarah Ferguson, she has now become a Councilor of State, which means she is part of a small group of senior royals who can represent King Charles III when needed. Her duties will include attending secret council meetings, signing routine documents and receiving the credentials of new ambassadors to the UK. However, some duties she will be prohibited from carrying out include Commonwealth affairs, appointing prime ministers or dissolving parliament, unless she has been ordered to do so by the King. Princess Beatrice (r) and Princess Eugenie (l) admire the floral tributes outside Balmoral (Getty Images) Before the Queen’s death, Prince Charles, Prince William, Prince Harry and Prince Andrew were the four required Counselors of State, meaning they stood in for the Queen if she was unable “due to illness or absence abroad ». This is because they were the highest candidates in the line of succession over the age of 21. The Queen Consort can also complement King Charles III (PA) Beatrice is now ninth in line to the throne, making her fourth among royals over the age of 21, allowing her to join William, Harry and Andrew in the main role. Queen consort Camilla may also fill in for King Charles, although she is not in the line of succession. Prince William and Princess Kate have also had a change in their roles since the Queen’s death, after Charles named them the new Prince and Princess of Wales. King Charles addresses the nation after the Queen’s death (PA) In his first address to the nation as King on Friday night, the King said: “The death of my beloved mother, Her Majesty the Queen, is a moment of greatest sadness for me and all members of my family. “We deeply mourn the death of a beloved sovereign and a much-loved mother. “I know her loss will be deeply felt across the country, the Kingdoms and the Commonwealth, and by countless people around the world. “During this time of mourning and change, my family and I will be comforted and sustained by our knowledge of the respect and deep affection in which the Queen was so widely held.”