Elon Musk has confirmed the birth of his twelfth child, his third with Neuralink executive Shivon Zilis, earlier this year. Musk emphasized that the baby's arrival was not a secret, noting that all friends and family were aware, though no press release was issued. The tech billionaire, who has children with Justine Wilson and musician Grimes, is known for his concerns about declining birth rates and has publicly expressed the need for higher population growth. Musk’s large family now includes five children with Wilson, three with Grimes, and three with Zilis, including twins born in 2021. The newest addition has not had their name or gender revealed yet. This news coincides with Musk's ongoing advocacy for addressing global population decline.