Prince William's son George has turned 12, triggering a protocol requiring heirs to travel separately to protect the line of succession.

Prince George celebrated his 12th birthday on July 22, which means he could now be separated from his father Prince William for one key reason.

Prince George, now 12, faces royal protocol requiring him to fly separately from Prince William to preserve the line of succession, a tradition that has sparked debate among royal experts.

Prince George turned 12 on July 22, marking a significant change in the royal rule of traveling with Prince William. A new report reveals experts’ claims that Prince William and his eldest son will no longer travel together by air.

Prince William once said something surprising about Prince George's birthday presents, calling for a look back inspired by Prince George's 12th birthday.

Kate Middleton gave birth to her and Prince William’s eldest child in 2013. The royals are also the parents of Princess Charlotte and Prince Louis.

Prince George turned 12 on July 22, marking a significant change in the royal rule of traveling with Prince William. A new report reveals experts’ claims that Prince William and his eldest son will no longer travel together by air.

Prince William employed one peculiar parenting strategy when he first became a father in 2013. Prince William and Princess Kate welcomed their firstborn in 2013 - with Prince George having just marked his 12th birthday this past week.