Elon Musk and Shivon Zilis have welcomed their fourth child together, a son named Seldon Lycurgus. Zilis shared the news on X on Feb. 28, describing their son as “built like a juggernaut, with a solid heart of gold.” She didn’t reveal his birth date but expressed her deep love for him. Musk responded to her post with a simple heart emoji.
Musk and Zilis secretly welcomed twins, Strider and Azure, in 2021, just weeks before Musk and musician Grimes had a daughter, Exa Dark Sideræl, via surrogate. In February 2024, Musk and Zilis had their third child, Arcadia, who just turned one. Zilis celebrated her daughter’s birthday with a heartfelt post on X.
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Musk and Grimes, who share three children — X Æ A-12, Exa Dark Sideræl and Techno Mechanicus (Tau) — have worked through family dynamics with Zilis. In 2023, Grimes posted about their blended family, and Zilis responded warmly, saying she respected Grimes and looked forward to future playdates.
Musk’s expanding family also includes his children with ex-wife Justine Wilson: twins Vivian and Griffin, and triplets Kai, Saxon and Damian. Sadly, their first child, Nevada Alexander, passed away at 10 weeks old.
Recently, author Ashley St. Clair revealed that she and Musk had a son, R.S.C., five months ago. She kept the news private to protect her child’s safety but decided to share it after media speculation. A judge has now ordered Musk to appear at a custody hearing on May 29.
Musk, now a father of 14, continues to navigate complex family dynamics while remaining actively involved in his children’s lives.
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