According to E! News, van Houten and her partner Iron Man 3 actor Guy Pearce announced they were expecting their first child back in March via this Instagram.
Pearce broke the news about the arrival of their son with this tweet on Monday.
Looks like Melisandre will officially know what it means when the "night is dark and full of terrors" when that little bundle of joy is keeping them up at all hours. Motherhood. It is scarier than any episode of Game of Thrones.