'The Traitors' Star Lord Ivar Says Meghan Markle Is 'Completely Incorrect' About Royal Family Protocol

Lord Ivar Mountbatten may have already won The Traitors, but it appears that he is still on a quest for truth.

The royal family member and reality competition star recent called out Meghan Markle for a revelation she made in her new Netflix series, which he believes isn't actually true.

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In an episode of her new series, With Love, Meghan, the former Suits actress playfully corrected Mindy Kaling for using her maiden name, insisting, "You know I'm Sussex now."

But Lord Ivar sees it differently.

According to the 61-year-old royal, he said Markle is "completely incorrect" to say her last name is Sussex, even though she is married to Prince Harry, the Duke of Sussex.

"Her family name is not Sussex, her family name is Mountbatten-Windsor. Her children are called Archie and Lilibet Mountbatten-Windsor; they're not called Archie and Lilibet Sussex because Sussex is a title," Lord Ivar claimed during a new interview with Town and Country Magazine.

"So, they are the Duke and Duchess of Sussex, but actually he's Harry Mountbatten-Windsor and she would be Meghan Mountbatten-Windsor."

However, Markle claims that she shares the surname Sussex with both of her children, which is why it means so much to her.

"It’s our shared name as a family, and I guess I hadn’t recognized how meaningful that would be to me until we had children," Markle told PEOPLE. "I love that that is something that Archie, Lili, H and I all have together. It means a lot to me."

But even though Archie and Lilibet's birth certificates originally read Mountbatten-Windsor as their surnames, it is apparently a longstanding practice for the royals to use a title as a surname when available.

"Now that [Harry] is the Duke of Sussex, it is perfectly within protocol for him to use Harry Sussex and for his wife to use Meghan Sussex," Wendy Bosberry-Scott, editor of British title guide Debrett's Peerage said in a statement, per the British media outlet GB News.

Bosberry-Scott further explained that it would also make sense for Harry and Meghan's kids to use their father's title as a last name as well.

"Typically, where a title is involved, children are registered under both names, as was the case when Prince Archie was registered in 2019; he appears in the indexes of the General Register Office under Sussex and Mountbatten-Windsor," Bosberry-Scott added.

Next: Meghan Markle Divides Internet With Kitchen Technique: 'She Almost Caught Her Finger'