William IV was King of the United Kingdom of Great Britain and Ireland and King of Hanover from 26 June 1830 until his death in 1837. The third son of George III, William succeeded his elder brother George IV, becoming the last king and penultimate monarch of Britain's House of Hanover.
William (left), aged thirteen, and his younger brother Edward, painted by Benjamin West, 1778
Prince William at the age of 17, by Thomas Gainsborough, c. September 1782
Portrait by Thomas Lawrence, c. 1790-95
Dorothea Jordan was an Anglo-Irish actress, as well as a courtesan. She was the long-time mistress of Prince William, Duke of Clarence, and the mother of 10 illegitimate children by him, all of whom took the surname FitzClarence. She was known professionally as Dorothea Francis and Dorothea Jordan, was informally Dora Jordan, and she commonly was referred to as Mrs Jordan and Mrs FitzClarence.
William Beechey, Dorothea Jordan as Rosalind in Shakespeare's ‘As You Like It’
Mrs. Jordan in her role of Peggy in The Country Girl, David Garrick's tamer adaption of Wycherley's earlier, more scandalous play The Country Wife
In this 1791 James Gillray cartoon, Jordan is depicted in bed with the Duke of Clarence.