She’s been one of Hollywood’s most powerful actresses for the last few decades, but Meryl Streep — who celebrates her milestone 70th birthday on Saturday, June 22 — has shown no signs of slowing down.

You may know all about her memorable film roles such as the ones in Sophie’s Choice, Out of Africa, The Devil Wears Prada and more, but you might not be familiar with the Oscar winner’s family. Not only is the iconic star the mom of four kids, but she is also a grandmother now too!

In honor of Meryl’s milestone birthday, scroll down to learn all about the Streep family, including the fact that they all have have 21 Oscar nominations — combined!