Elizabeth II has a younger sister. Princess Margaret (1930 August 21-February 9, 2002) is the wife of Count Snowden, the second daughter of King George VI and Elizabeth Bao Si-Lyon in England, and the only sister of Queen Elizabeth II. As a princess, Margaret did not have the title and pressure of the first heir of her sister Elizabeth II, but she was inseparable from her sister Elizabeth II since she was a child. They were educated and trained by the royal family.