Owen Wilson might soon be a father for the third time. A source tells ET that a woman recently came forward to the actor, claiming that he is the father of her unborn child. According to the source, Wilson has offered to undergo a paternity test. Wilson already has two children. He's dad to 7-year-old son Robert, whom he shares with his ex-girlfriend, Jade Duell. He also shares 4-year-old son Finn with personal trainer Caroline Lindqvist.