Kate Middleton has already met Pippa Middleton's daughter Rose; Is 'overjoyed for her sister' & James Matthews

Kate Middleton is without a doubt a major "imperial" sister

The Duchess of Cambridge never sat around meeting her siblings

Matthews' most recent bundle of euphoria and her niece

one source uncovered that the 40-year-old illustrious family

proactively met a child" and thought the kid was "simply lovable.

Kate is "charmed with her sister" and her brother by marriage has a third youngster.