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Britain's Prince William, Duke of Cambridge, (L), Britain's Prince George of Cambridge (C) and Britain's Catherine, Duchess of Cambridge, (R) attend the Six Nations international rugby union match between England and Wales at Twickenham Stadium, west London, on February 26, 2022. ADRIAN DENNIS/AFP via Getty Images

KEY POINTS

  • Prince George seemingly threatening his classmates was reminiscent of Prince William's alter ego, "The Basher"
  • The new Prince of Wales got called noisy and unruly when he was a child, and sources blamed his upbringing
  • Queen Elizabeth reportedly stepped in and taught Prince William that his behavior was unacceptable

Prince George's behavior of warning his classmates was reminiscent of what his dad, Prince William, was like when he was his age, according to a royal expert.

Prince William and Kate Middleton's 9-year-old son reportedly made a comment that showed he was aware of the future of the monarchy, that his father — the new Prince of Wales — would be king in the future. In Katie Nicholl's new book "The New Royals," Princess Charlotte's brother reportedly sparred with friends, and he threatened them by saying, "My dad will be king, so you better watch out."

Kinsey Schofield, a royal expert and host of the "To Di For" podcast, weighed in on Prince George's words. According to her, it reminded her of Prince William's childhood.

"While I personally haven't heard any negative stories about Prince George's behavior, it does sound quite similar to Prince William's childhood alter ego, 'The Basher,'" Schofield told Fox News Digital. She added, "I wouldn't stop bragging if Prince William was my dad either."

As she reflected on Prince George's words, Schofield recalled a young Prince William who reportedly told his classmate, "My daddy can beat up your daddy... my daddy's the Prince of Wales."

The Duke of Cambridge reportedly wanted to "flex" the royal family members back then. Aside from his dad, he was very proud of his grandmother, Queen Elizabeth.

"William was considered a cheeky 'terror' at school for his antics. Outlets called him 'noisy' and 'unruly' at the time. Royal experts blamed his upbringing. Then-Prince Charles didn't want William to feel suffocated by discipline and rules while Princess Diana thought his naughty behavior was hilarious," the expert added.

According to Schofield, the late monarch stepped in to teach young Prince William after observing that he kept pushing boundaries. Queen Elizabeth reportedly told her grandson that "his behavior was unacceptable." The Queen's lessons are evident in how Middleton's husband lives his life.

"William is stoic, kind and dedicated to a life of service. We typically hear very sweet descriptions of Prince George's character, but he has been bullied online, so I can't imagine what he has to deal with in real life," Schofield continued.

After the Queen passed away, Prince William penned an emotional message to pay tribute to his late grandmother.

"And while I will grieve her loss, I also feel incredibly grateful. I have had the benefit of The Queen's wisdom and reassurance into my fifth decade," he wrote on Instagram. "She was by my side at my happiest moments. And she was by my side during the saddest days of my life."

Prince William was also grateful for the Queen's kindness to him and his family. According to him, "My wife has had twenty years of her guidance and support. My three children have got to spend holidays with her and create memories that will last their whole lives."

The brothers' wives Catherine (L) and Meghan (R) joined the procession at Westminster Abbey, with William and Kate's two eldest children, Prince George (L) and Princess Charlotte (R)
AFP