Kate Middleton, Prince William's kids show key sign of 'maturity' Prince William and Kate Middleton's children showed a key sign of their 'maturity' with a heartfelt Father's Day post.For the unversed, Prince George, 10, Princess Charlotte, nine, and Prince Louis, six, paid a sweet tribute to...source https://www.thenews.com.pk/latest/1201390-kate-middleton-prince-williams-kids-win-hearts-with-sweet-statement