Complex sentence: On 9 August 1822 he had an audience with King George IV in which he appeared distracted and mentally disturbed, among other surprising remarks revealing to the King that he thought he was being blackmailed for homosexuality.
Split into simpler sentences: On 9 August 1822 he had an audience with King George IV in which he appeared distracted and mentally disturbed. Among other surprising remarks he revealled to the King that he thought he was being blackmailed for homosexuality.