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The first year of King Charles III’s reign has been marred by the ongoing tensions with his son, Prince Harry, and daughter-in-law, Meghan Markle, according to royal commentator Richard Fitzwilliams.

The expert accused the Duke and Duchess of Sussex of “ruining” the monarch’s inaugural year on the throne with their “unfair” tell-all projects and public complaints about their time as working royals.

Speaking to The Sun, Fitzwilliams said, “The facts simply are with Harry and Megan that after ‘Spare,’ enough was enough, so he had them evicted from Frogmore Cottage, and I don’t think they expected it. And they certainly didn’t like it.” The royal expert was referring to the King’s decision to remove the couple from their UK residence following the release of Prince Harry’s explosive memoir, “Spare,” in January.

The book, along with the interviews surrounding its release, contained numerous attacks on the royal family, which Fitzwilliams believes crossed a line. “To attack Queen Camilla was clearly a red line, as was pointed out by the press that he’s so hostile to,” he said. “Therefore it was important that the king acted as he did.”