Which daughter of the King of the United Kingdom of Great Britain and Ireland and King of Hanover from 26 June 1830 until his death was an infant member of the British royal family?
Princess Elizabeth of Clarence: Princess Elizabeth of Clarence (Elizabeth Georgiana Adelaide; 10 December 1820 – 4 March 1821) was an infant member of the British royal family. Princess Elizabeth of Clarence:  She was the second daughter and third child of Prince William, Duke of Clarence and St Andrews (later King William IV) and his wife (later Queen), Princess Adelaide of Saxe-Meiningen. William IV of the United Kingdom: William IV (William Henry; 21 August 1765 – 20 June 1837) was King of the United Kingdom of Great Britain and Ireland and King of Hanover from 26 June 1830 until his death.
Princess Elizabeth of Clarence