Anne Caroline Salisbury is the maternal great-grandmother of which wife of King George VI and the mother of Queen Elizabeth II and Princess Margaret, Countess of Snowdon?
Queen Elizabeth The Queen Mother Elizabeth Angela Marguerite Bowes-Lyon (4 August 1900 – 30 March 2002) was the wife of King George VI and the mother of Queen Elizabeth II and Princess Margaret, Countess of Snowdon. She was Queen of the United Kingdom and the Dominions from her husband's accession in 1936 until his death in 1952, after which she was known as Queen Elizabeth The Queen Mother, to avoid confusion with her daughter. She was the last Empress of India.
Princess Louise of Belgium Princess Louise of Belgium (18 February 1858 in Brussels – 1 March 1924 in Wiesbaden) was the eldest daughter of Leopold II and his wife, Marie Henriette of Austria. Louise was named after her paternal grandmother, the Belgian queen Louise of Orleans, and her mother.