Duke of Clarence and St Andrews

Creation date	20 May 1789
Monarch	George III
Peerage	Peerage of Great Britain
First holder	The Prince William Henry
Last holder	The Prince William Henry, 1st Duke of Clarence and St Andrews
Subsidiary titles	Earl of Munster
Status	Extinct – Merged with the Crown on succeeding as King William IV
Extinction date	26 June 1830

William IV was styled "HRH The Duke of Clarence" between his creation in 1789 and his accession in 1830

Duke of Clarence and St Andrews was a title awarded to a prince of the British Royal family. The creation was in the Peerage of Great Britain.^[1]

While there had been several creations of Dukes of Clarence (and there was later a Duke of Clarence and Avondale), the only creation of a Duke of Clarence and St Andrews was in 1789 for Prince William, third son of King George III. When William succeeded his brother to the throne in 1830, the dukedom merged in the crown.

Duke of Clarence and St Andrews (1789)[]

See also Earl of Munster (1789)

• The Prince William, 1st Duke of Clarence and St Andrews (1765–1837), third son of George III, acceded to the monarchy in 1830 as "William IV". All of his honours merged with the crown, and he had no legitimate male issue.

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