Claim: George III was succeeded by his son, George IV.
Evidence: On George III 's death , the Prince Regent succeeded his father as George IV.
George IV -LRB- George Augustus Frederick ; 12 August 1762 -- 26 June 1830 -RRB- was King of the United Kingdom of Great Britain and Ireland and of Hanover following the death of his father , George III , on 29 January 1820 , until his own death ten years later.