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. 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. She was a granddaughter of King George III of the United Kingdom and a first cousin of Queen Victoria.
Landgravine Louise of Hesse-Darmstadt (1757–1830) Landgravine Louise Auguste of Hesse-Darmstadt (30 January 1757 – 14 February 1830) was a German princess. She was the daughter of Louis IX, Landgrave of Hesse-Darmstadt. On 3 October 1775 she married duke (later grand-duke) Charles Augustus of Saxe-Weimar-Eisenach and as such a member of the court sphere of Weimar Classicism. She was held to be serious and introverted but also compassionate and sympathetic, in the aftermath of the Battle of Jena which guaranteed her part in the later "myth of Weimar" ("Weimarmythos").