Grandmothers can be an invaluable source of comfort in the first weeks of a newborn’s life — singing lullabies, changing diapers or just providing a shoulder for an exhausted mom to lean on.

The royal family is different, of course, with an endless supply of nannies on call to tend to every soiled diaper. But Kate Middleton and her mother, Carole Middleton, will have none of that when the Duchess of Cambridge's new baby arrives later this month.

kate middleton and carole middleton
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Kate with her mother, Carole, in April 2011.

After the birth of 20-month-old’s Prince George’s sibling, Kate’s parents will reportedly move into Kate and 32-year-old Prince William’s country house, Anmer Hall, in Norfolk, England, with them — and do what grandparents do.

Related: Prince George Learns Prince William is in China — and Looks for Him in the China Cabinet!

It’s no surprise. Kate, 33, and her mother have always had a special relationship, so she wouldn’t dream of excluding her from some of the most precious (and trying!) weeks of her life — even if Queen Elizabeth II and Prince Charles are baffled by the arrangement.

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Kate, William and George in July 2014.

“Never before has it been such a shared experience with the inlaws,” Paul Burrell, former butler to William’s mother, Diana, tells 'Closer.' “This is a clear, strong signal of how important Carole is to Kate
and William.”

To read the full story on Kate, pick up the new issue of ‘Closer Weekly,’ on newsstands now!