William IV. of the United Kingdom

Born Prince William Henry of Great Britain and Ireland. Styled Duke of Clarence and St. Andrews in 1789. Succeded his brother George IV as King of the United Kingdom and King of Hanover in 1830.

Son of George III. King of Great Britain and Ireland  (since 1801 King of the United Kingdom of Great Britain and Ireland) (1738-1820) and his wife Sophie Charlotte, Princess of Mecklenburg-Strelitz (1744-1818)

Born: Buckingham House, London 21. Aug 1765

Baptised: St. James’s Palace, London 20. Sep 1765

Godparents:

• Prince William, Duke of Gloucester, his paternal uncle

• Prince Henry, Duke of Cumberland, his paternal uncle

• Princess Augusta of the United Kingdom (later Duchess of Brunswick), his paternal aunt

Married: Kew Palace 11. Jul 1818 Adelheid, Princess of Saxe-Meiningen (1792-1849), daughter of Georg I. Duke of Saxe-Meiningen (1761-1803) and his wife Luise Eleonore, Princess of Hohenlohe-Langenburg (1763-1837)

Issue of marriage:

• Princess Charlotte of Clarence (1819-1819)

• Princess Elizabeth of Clarence (1820-1821)

Illegitimate issue by an unknown woman:

• William Henry Courtney (c.1788/90 - 1807, drowned)

Illegitimate issue by Dorothea Bland, Mrs.Jordan (1761-1816)

• George Augustus FitzClarence, Earl of Munster (1794-1842) m.1819 Lady Mary Wyndham (d.1842)

• Henry FitzClarence (1795-1817)

• Sophia FitzClarence (1796-1837) m.1825 Philip Sidney, 1st Baron De L’Isle and Dudley (d.1851)

• Mary FitzClarence (1798-1864) m.1824 Charles Fox (d.1873)

• Frederick FitzClarence (1799-1854) m.1821 Lady Augusta Boyle (d. 1876)

• Elizabeth FitzClarence (1801-1856) m.1820 William Hay, 18th Earl of Errol (d.1846)

• Adolphus FitzClarence (1802-1856)

• Augusta FitzClarence (1803-1865) m.1827 Hon. John Erskine (d.1831); m.1854 Lord John Gordon Halyburton (d.1878)

• Augustus FitzClarence (1805-1854) m.1845 Sarah Gordon (d.1901)

• Amelia FitzClarence (1807-1858) m.1830 Lucius Cary, 10th Viscount Falkland (d.1884)

Died: Windsor Castle 8. Jul 1837 from heart failure

Buried: St. George’s Chapel, Windsor

Detlev Schwennicke "Europäische Stammtafeln. Neue Folgen", Vol. I/1, 1998, Vittorio Klostermann; for christening and godparents see Yvonne’s Royalty Home Page; FitzClarence see Detlev Schwennicke "Europäische Stammtafeln. Neue Folgen", Vol. III/2, 1983, J.A. Stargardt;  Anthony Camp ”Royal Mistresses and Bastards. Fact and Fiction 1714-1936”, London 2007; Alison Weir "Britains Royal Families" , Vintage Books 2008 names Caroline von Linsingen (1768-1815) as William Henry Courtney's mother.