King Charles 'devoted' to Prince George, Princess Charlotte and Prince Louis

Prince George was born in 2013, followed by Charlotte in 2015 and Louis in 2018.

Royal commentator Jennie Bond noted that the King often refers to Kate as his "darling daughter-in-law".

She said: "I think Charles admires and appreciates the solid family network she has created for William.

"The King is devoted to his grandchildren, George, Charlotte and Louis, and photographs show that he has an easy relationship with all three.

"I’m sure he is very proud of the way Kate is bringing them up."

The commentator argued that the Princess of Wales is ensuring George, Charlotte and Louis have normal childhoods.

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Bond told OK!: "William and Kate have been keen from the outset to allow their children to live as normal a childhood as possible.

"Kate is in a perfect position to show them what 'normal' life looks like.

"Her family form a secure and happy unit away from palaces and castles, servants and hierarchy.

"Even Diana couldn’t easily provide that for William as her own parents were divorced and she’d been raised in a stately home.

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"So I think Kate is key to providing a balanced upbringing for her children, but particularly for a boy born to be King.

"She has learned what it means to be royal - the restrictions as well as the privileges.

"And she is the perfect person to help George understand his destiny and, when the time comes, to embrace life as a working royal."