Princess Margaret, Countess of Snowdon is the cousin of Queen Elizabeth II.
Princess Margaret , Countess of Snowdon , -LRB- Margaret Rose ; 21 August 1930 -- 9 February 2002 -RRB- was the younger daughter of King George VI and Queen Elizabeth of the United Kingdom and the only sibling of Queen Elizabeth II .	Countess of Snowdon	Earl of Snowdon	George VI	George VI	King George VI	King George VI	Queen Elizabeth	Queen Elizabeth The Queen Mother	Queen Elizabeth II	Queen Elizabeth II
