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
Dorothea of Anhalt-Zerbst Dorothea thus became the ancestress of the "New House of Brunswick", which became extinct in 1873. The family tree of the Duchess, as of 1617, can still be found in the library in Wolfenbüttel. From her marriage with Augustus, Dorothy had the following children: Dorothea of Anhalt-Zerbst Dorothea von Anhalt-Zerbst (25 September 1607, Zerbst – 26 September 1634, Hitzacker) was a member of the House of Askanier and a princess of Anhalt-Zerbst and by marriage Duchess of Brunswick-Wolfenbüttel. Dorothea was the daughter of Prince Rudolf of Anhalt-Zerbst (1576–1621) from his first marriage to Dorothea Hedwig (1587–1609), daughter of the Duke