The couple, who wed in 2012, told People of the birth, "As we collectively navigate the chaos and existential crisis that is 2020, we anchor ourselves with the things that matter most. Family, friends and human connection."
Eric also told the outlet, "Mama and baby are doing great, home safe surrounded by a cuddle puddle of kids and giant dogs. Life is equal parts spectacular and fleeting; Love fearlessly."
Winter Story Olsen is their third child, after Wyatt Oliver, 7, and Esmé Olivia.