Elizabeth Bowes-Lyon, wife of King George VI, mother of Queen Elizabeth II and Princess Margaret, Countess of Snowdon.Not to be confused with her daughter, Queen Elizabeth II, Elizabeth Angela Marguerite Bowes-Lyon (4 August 1900 - 30 March 2002) the wife of King George VI, (as seen in The King's Speech ) is now most commonly known as Queen Elizabeth The Queen Mother.She was Queen consort 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.