The queen Elizabeth The died at the age of 101. Here is all you want to know, and more!
Biography - A Short Wiki
Wife of King George VI and the mother of Queen Elizabeth II who was the queen consort of the United Kingdom from 1936 to 1952. She provided moral support to the British public during World War II.
As her daughter is Queen Elizabeth II, the elder Elizabeth took the title Queen Elizabeth The Queen Mother to avoid confusion.