Elon Musk has reportedly had twins with one of his executives. After the news, Musk appears to confirm the reports on Twitter, "Doing my best to help the underpopulation crisis. A collapsing birth rate is the biggest danger civilization faces by far." Musk had the two children with Shivon Zilis-- a high-ranking executive at Neuralink, a company Musk co-founded. With the news about the twins, Elon Musk is the father of nine children.