William FitzClarence, 2nd Earl of Munster William FitzClarence, 2nd Earl of Munster William FitzClarence, 2nd Earl of Munster, (19 May 1824 – 30 April 1901), styled Viscount FitzClarence from 1831 to 1842, was a British peer, and the grandson of King William IV, whom he was named after, and who died in 1837, aged almost 72, when the younger William was just 13. FitzClarence's father, George FitzClarence, 1st Earl of Munster, was an illegitimate son of King William IV by his long-time mistress Dorothea Jordan. Therefore, the second Earl of Munster was the great-grandson of King George III and first cousin once-removed of Queen Victoria. His
Princess Dorothea of Courland Congress of Vienna, and it is even alleged that she became his mistress sometime after 1815. On 31 August 1817, Talleyrand was made a duke and peer of France by Louis XVIII of France, and on 2 December he was also granted the duchy of Dino (a 1.5 km by 1.2 km Calabrian island) by the king of Sicily in recognition of his services at Vienna. The duchy of Dino was immediately handed down to his nephew and his wife and so Dorothea also became duchess of Dino. On 24 March 1818 she and her husband separated, though this was