Owen Wilson has named his baby boy Finn.
The 45-year-old actor and personal trainer Caroline Lindqvist welcomed their son on January 30.
TMZ released the child's birth certificate on Tuesday, revealing the baby's full name: Finn Lindqvist Wilson.
Little Finn is brother to Owen's two-year-old son with ex-girlfriend Jade Duell.
While the actor is no longer with Lindqvist, a source told UsWeekly he's very involved in the child's life.
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"He has been visiting his new baby almost every day. He lives right around the corner and comes by for a little bit of time each afternoon," the insider said.
"He is planning to be a part of the baby's life and providing financial support."
Wilson has spoken previously about how much fatherhood has changed his life. The actor said it's important to him to be a good role model, and he does the best he can.
"They say that the number one thing is to be consistent. I guess I try to do that a little bit," he told ModernMom.com.
"It sounds corny, but you can't hug your kids enough and give them that confidence that they're loved."

