Popsugar Celebrity The Royals When Did Prince Will and Kate Middleton Start Having Kids? How Meghan and Harry's Baby Timeline Compares to William and Kate's 16 October 2018 by Lauren Turner View On One Page Photo 6 of 6 ADVERTISEMENT () Start Slideshow Share This Link Copy ← Use Arrow Keys → 6 Prince Louis was born in April 2018. Previous Next Start Slideshow The RoyalsThe British RoyalsPrince WilliamKate Middleton