A new book says that King Charles once said that it was his former private secretary’s idea for him to say on TV that he had cheated on Princess Diana.

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In 1994, Charles, who was then known as the Prince of Wales, agreed to be interviewed by British TV host Jonathan Dimbleby for a national show.

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At the time, he had been separated from Princess Diana, whom he had married in 1981.

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During that interview, he talked about the rumours going around about his relationship with Camilla, the Queen Consort, who is now his wife.

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Valentine Low wrote in his book "Courtiers: The Hidden Power Behind the Crown," which came out on Thursday,

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that Charles’s confession did "untold damage" to his reputation.

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Low also said that it would be the reason why Richard Aylard, his private secretary, would leave his job in 1997.

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An insider asked Richard Aylard for his opinion, but he refused. An insider asked Buckingham Palace for a comment, but they didn’t answer right away.

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As Insider reported, Charles told Dimbebly during the interview that he was "faithful and honorable"

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to Diana during their marriage "until it broke down irreparably, even though we both tried."

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