This includes Prince George, the nine-year-old son of the Prince and Princess of Wales, and three of the Queen Consort's grandchildren, Gus and Louis Lopes, Freddy Parker Bowles and her great-nephew Arthur Elliot.
The new official photograph of the King and Queen Consort was taken last month in the Blue Drawing Room in Buckingham Palace.
It follows an announcement by the Cabinet Office of another photo of the King, with public places such as council offices, courts, police stations and schools being invited to apply for a framed photograph of King Charles.