Elon Musk has welcomed another baby with Shivon Zilis – his 14th child overall.
Zilis, 39, announced the arrival of the pair’s fourth child and second son via a post on X on Friday, February 28.
“Discussed with Elon and, in light of beautiful Arcadia’s birthday, we felt it was better to also just share directly about our wonderful and incredible son Seldon Lycurgus,” she wrote. “Built like a juggernaut, with a solid heart of gold. Love him so much 
.”
Acknowledging the post, Musk, 53, responded, “.” It is not known when the child was born.
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Musk already shares three children with the Neuralink executive: Arcadia, who was born in early 2024 and twins Strider and Azure, both born in November 2021.
It comes after author Ashley St. Clair. claimed via an X post shared on Friday, February 14 that she had welcomed Musk’s 13th child five months earlier.
“Five months ago, I welcomed a new baby into the world. Elon Musk is the father,” she wrote. “I have not previously disclosed this to protect our child’s privacy and safety, but in recent days it has become clear that tabloid media intends to do so, regardless of the harm it will cause.”
She added: “I intend to allow our child to grow in a normal and safe environment. For that reason, I ask that the media honor our child’s privacy, and refrain from invasive reporting.”
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Musk also has six children with ex-wife Justine Wilson. Musk and Wilson, 51, who were married between 2000 and 2008, share twins Vivian and Griffin, both 20, and triplets Kai, Saxon and Damian, all 18. The exes also shared son Nevada, who died of sudden infant death syndrome (SIDS) at 10 weeks old in 2002.
Musk later moved on with Grimes (real name Claire Boucher) in 2018 and they share three children together. They welcomed son X Æ A-Xii two years later in May 2020. Their daughter, Exa Dark Sideræl, followed one year later via surrogate. Isaacson’s book also confirmed that Musk and Grimes, who split for good in 2022, also share son Techno Mechanicus.
After the birth of X, Musk spoke about fatherhood with The New York Times in July 2020.
“Well, babies are just eating and pooping machines, you know?” he told the outlet. “Right now there’s not much I can do. Grimes has a much bigger role than me right now. … When the kid gets older, there will be more of a role for me.”
