Popsugar Parenting Celebrity Babies How Many Kids Do Mariska Hargitay and Peter Hermann Have? Mariska Hargitay and Peter Hermann's Family Is Beyond Cute, and We Have the Proof! 13 June 2019 by Murphy Moroney View On One Page Photo 4 of 11 ADVERTISEMENT () Start Slideshow View this post on Instagram A post shared by Mariska Hargitay (@therealmariskahargitay) on Sep 26, 2018 at 5:06pm PDT Share This Link Copy ← Use Arrow Keys → 4 More Photos of Mariska Hargitay and Peter Hermann's Kids Previous Next Start Slideshow Celebrity BabiesAdoptionPeter HermannCelebrity FamiliesMariska Hargitay