The 14 'Musk-eteers': A Complete, Updated List Of Elon Musk's Children And Their Mothers

As of today, December 10, 2025, the number of children fathered by tech magnate Elon Musk stands at 14. This figure has rapidly increased in recent years, making his family one of the most publicly discussed and unique family structures in the world of billionaires. The latest additions to the family, including children born in 2024, have firmly cemented Musk's status as a leading figure in the global conversation about declining birth rates and the future of human population. This comprehensive guide breaks down the complex and growing family tree of the Tesla and SpaceX CEO, detailing the names, mothers, and birth years of all his children, affectionately dubbed the "Musk-eteers." The family is a direct reflection of his outspoken philosophy that a "collapsing birth rate" is the greatest threat to human civilization, a belief that drives his personal life as much as his professional ventures at companies like X, Neuralink, and The Boring Company.

The Complete Biography: All 14 Children and Their Four Mothers

Elon Musk’s journey into fatherhood spans over two decades, beginning in 2002. His children range in age from infants born in 2024 to young adults in their early twenties. The 14 children are shared with four different women: his first wife, Canadian author Justine Wilson; musician and artist Grimes (Claire Boucher); Neuralink executive Shivon Zilis; and conservative author Ashley St. Clair. Here is the definitive, chronological list of all 14 children:

• Nevada Alexander Musk (Born 2002, Deceased 2002)
  • Mother: Justine Wilson
  • Tragically died of Sudden Infant Death Syndrome (SIDS) at 10 weeks old.
• Griffin Musk (Born 2004)
  • Mother: Justine Wilson
  • Twin to Vivian.
• Vivian Jenna Wilson (Born 2004)
  • Mother: Justine Wilson
  • Twin to Griffin.
• Kai Musk (Born 2006)
  • Mother: Justine Wilson
  • Triplet to Saxon and Damian.
• Saxon Musk (Born 2006)
  • Mother: Justine Wilson
  • Triplet to Kai and Damian.
• Damian Musk (Born 2006)
  • Mother: Justine Wilson
  • Triplet to Kai and Saxon.
• Strider Musk (Born November 2021)
  • Mother: Shivon Zilis (Neuralink Executive)
  • Twin to Azure. Conceived via IVF.
• Azure Musk (Born November 2021)
  • Mother: Shivon Zilis (Neuralink Executive)
  • Twin to Strider. Conceived via IVF.
• Exa Dark Sideræl Musk (Nickname 'Y') (Born December 2021)
  • Mother: Grimes (Claire Boucher)
  • Born via surrogate, just weeks after the twins with Zilis.
• X Æ A-Xii Musk (Nickname 'X') (Born May 2020)
  • Mother: Grimes (Claire Boucher)
  • Known for his unique, alphanumeric name.
• Techno Mechanicus Musk (Nickname 'Tau') (Born 2023)
  • Mother: Grimes (Claire Boucher)
  • The third child with Grimes, revealed in a biography.
• Arcadia Musk (Born February 2024)
  • Mother: Shivon Zilis (Neuralink Executive)
  • Musk’s twelfth child, confirmed in mid-2024.
• Seldon Lycurgus Musk (Born 2024)
  • Mother: Shivon Zilis (Neuralink Executive)
  • The fourth child with Zilis, making the total with her four.
• Romulus Musk (Born September 2024)
  • Mother: Ashley St. Clair (Author/Influencer)
  • Musk’s fourteenth child, the latest confirmed addition to the family.

The Unique Naming Conventions of the Musk Children

The names of Elon Musk's children are a fascinating study in contrast, ranging from traditional to avant-garde. His children with Justine Wilson bear relatively classic names like Griffin, Kai, Saxon, and Damian. However, his partnership with Grimes introduced the world to an entirely new category of celebrity baby names, blending technology, mathematics, and esoteric concepts. The most famous example is his first child with Grimes, X Æ A-Xii, who is affectionately called "X." The name is a nod to the "unknown variable" (X), the Elven spelling of "Ai" (Æ), and the Lockheed A-12 reconnaissance aircraft (A-Xii). Their daughter, Exa Dark Sideræl, nicknamed "Y," continues this theme. The name Exa is a reference to the supercomputing term ExaFLOPS, Dark Sideræl refers to the "dark side of the universe," and Y is the unknown variable. The third child with Grimes, Techno Mechanicus, or "Tau," maintains this futuristic, almost sci-fi naming convention. In contrast, the children with Neuralink executive Shivon Zilis—Strider, Azure, Arcadia, and Seldon—feature more conventional but still nature-inspired or historical names. The latest addition, Romulus, with Ashley St. Clair, is a clear reference to the legendary founder of Rome, signaling another shift toward historically significant names.

Elon Musk's Pronatalist Philosophy and the Global Fertility Crisis

The sheer size of Elon Musk's family is not merely a matter of personal choice; it is tied directly to his deeply held and publicly vocalized philosophy on global demographics, known as pronatalism. Musk has repeatedly stated that the world's most significant problem is not overpopulation, but rather the declining birth rate and the subsequent risk of population collapse. He uses his platform on X (formerly Twitter) and in various interviews to warn that if the human fertility rate continues to fall, civilization itself is at risk.

The "Greatest Threat" to Humanity

Musk views the low birth rate as a far greater long-term danger than global warming or other existential risks. He has argued that society needs to shift its focus from painting pregnancy as a problem to recognizing the societal problems posed by childlessness. His personal choices, including welcoming a total of 14 children with four different partners over two decades, are seen by many as a direct attempt to "practice what he preaches." He has openly encouraged others to have more children to combat the looming demographic winter.

The Role of Neuralink and the Future

The connection between his family life and his business ventures is also notable. Shivon Zilis, the mother of four of his children, is a high-ranking executive at his brain-chip company, Neuralink. Their relationship began as a professional one, with Zilis being a key player in the Musk family ecosystem. This proximity highlights how intertwined Musk's personal mission to ensure the future of humanity is with his professional goal of advancing technology for that future. The growing family size and the public discourse surrounding it have made Elon Musk a lightning rod for the fertility crisis debate, turning his personal life into a powerful symbol of his controversial and ambitious vision for the future of the human race. The frequent new additions to the Musk family tree ensure that the topic of declining birth rates remains a high-profile subject in global media.