The Legion Of 14: A Complete, Updated List Of Elon Musk's Children, Their Mothers, And Unconventional Names

As of December 10, 2025, Elon Musk is the father of 14 children, a number that has rapidly expanded in recent years, making his family one of the most discussed topics in the world of high-profile entrepreneurship. This count includes one son who tragically passed away in infancy. The Tesla and SpaceX CEO has consistently championed the cause of procreation, often citing a fear of "population collapse" as a primary motivator for his large family. This continually evolving family tree is a reflection of Musk's unconventional life, spanning four different mothers and featuring some of the most unique and talked-about names in modern celebrity history. The sheer scale and complexity of Elon Musk's family life—a mirror to his equally ambitious business ventures like X (formerly Twitter) and Neuralink—continues to captivate global audiences. From the very public birth of his first child in the early 2000s to the recent, more private arrivals, each new addition has cemented his status not just as a business titan, but as a figurehead in the global conversation about family, fertility, and the future of humanity. The latest confirmed births in 2024 have brought the total to 14, a figure that underscores his personal commitment to reversing declining birth rates.

The Complete Biography and Family Profile of Elon Musk

Elon Reeve Musk is a South African-born Canadian-American business magnate, investor, and philanthropist. His professional life is defined by a relentless pursuit of innovation across multiple industries, while his personal life is marked by a growing, complex family structure.

• Full Name: Elon Reeve Musk
• Date of Birth: June 28, 1971
• Place of Birth: Pretoria, South Africa
• Parents: Errol Musk (Engineer) and Maye Musk (Model and Dietitian)
• Siblings: Kimbal Musk (Entrepreneur) and Tosca Musk (Filmmaker)
• Current Titles: CEO of Tesla, CEO of SpaceX, Owner and CTO of X (formerly Twitter), Founder of The Boring Company, Co-Founder of Neuralink, and Co-Founder of OpenAI.
• Number of Children (Current): 14 (one deceased)
• Mothers of His Children: Justine Wilson, Grimes (Claire Boucher), Shivon Zilis, and Ashley St. Clair.

The 14 Children of Elon Musk: A Chronological List

The following list details all 14 known children of Elon Musk, organized by their respective mothers and birth order, reflecting the most current information as of late 2024. The ages range from a few months old to over 20 years old, showcasing the vast timeline of his fatherhood.

1. Children with Justine Wilson (6 Children)

Musk's first wife, Canadian author Justine Wilson, is the mother of his first six children. The couple married in 2000 and divorced in 2008.

• Nevada Alexander Musk (2002): The firstborn son, Nevada, tragically died of Sudden Infant Death Syndrome (SIDS) at just 10 weeks old.
• Griffin Musk (2004): Twin son, born via In Vitro Fertilization (IVF).
• Vivian Jenna Wilson (2004): Twin daughter, born via IVF. Vivian legally changed her name in 2022, adopting her mother's maiden name, Wilson.
• Kai Musk (2006): Triplet son, born via IVF.
• Saxon Musk (2006): Triplet son, born via IVF.
• Damian Musk (2006): Triplet son, born via IVF.

2. Children with Grimes (Claire Boucher) (3 Children)

The Canadian musician Grimes is the mother of three of Musk's children. Their relationship was highly publicized due to their unconventional approach to child-rearing and their children's unique names.

• X Æ A-Xii (X) (Born May 2020): Their first child together, a son whose name is famously pronounced "Ex Ash A Twelve."
• Exa Dark Sideræl (Y) (Born December 2021): A daughter born via surrogate. Her nickname is "Y."
• Techno Mechanicus (Tau) (Born 2022): A son whose birth was quietly revealed in a biography of Musk in 2023. His nickname is reportedly "Tau."

3. Children with Shivon Zilis (4 Children)

Shivon Zilis, a top executive at Musk's neurotechnology company, Neuralink, is the mother of four of his children. The births of the twins were initially kept private, making headlines in 2022.

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• Strider Zilis Musk (Born November 2021): Twin son, born just weeks before Exa Dark Sideræl's birth via surrogate.
• Azure Zilis Musk (Born November 2021): Twin daughter.
• Arcadia (Born February 2024): A daughter, the third child with Zilis.
• Seldon Lycurgus (Born 2024): A son, and the fourth child with Zilis, whose birth was reported in late 2024, making him the 14th known child of Musk according to some reports.

4. Child with Ashley St. Clair (1 Child)

The latest addition to the family, Romulus, was revealed in late 2024 amidst a paternity dispute, adding another layer of complexity to Musk's family narrative. This marks the fourth mother of his children.

• Romulus (Born September 2024): A son, whose mother is conservative influencer Ashley St. Clair. The birth and name were revealed in a paternity filing and subsequent reports.

The Drive for Procreation: Musk's Philosophy on Family Size

The sheer size of Elon Musk's family is not merely a matter of personal choice; it is tied directly to his publicly stated worldview and his concerns about global demographics. Musk frequently uses his platform, including his company X, to discuss what he calls the "population collapse" crisis. This core belief serves as a powerful, if controversial, topical authority for his actions, framing his fatherhood as a vital contribution to humanity's future.

Musk has repeatedly argued that the biggest threat to civilization is not climate change or AI, but rather the rapidly declining global birth rate. He views having a large family as a personal and moral duty to combat this trend. His public statements, such as "A collapsing birth rate is the biggest danger civilization faces by far," provide context for the rapid expansion of his family in the 2020s. This philosophy is not just theoretical; it’s a tangible part of his personal life, influencing his relationships and decisions regarding his children.

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The use of assisted reproductive technologies, such as IVF (with Justine Wilson) and surrogacy (with Grimes), further underscores his commitment to this goal, indicating a proactive approach to expanding his family regardless of traditional relational structures. The births of the twins with Shivon Zilis in late 2021 and the subsequent additions in 2024 highlight a period of intense focus on procreation, solidifying his status as a figure actively working to reverse what he perceives as a demographic time bomb.

The Impact of Unconventional Naming and Privacy

One of the most distinctive aspects of Elon Musk's family is the highly unconventional naming of his children, particularly those with Grimes. Names like X Æ A-Xii, Exa Dark Sideræl, and Techno Mechanicus have become cultural phenomena, sparking endless debate and curiosity. These names, often blending elements of aerospace, mathematics, and philosophy, reflect the unique, futuristic, and often esoteric interests of their parents.

The names themselves are rich in LSI keywords and entities, tying the children directly back to Musk’s business empire:

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• X Æ A-Xii: "X" is the name of his social media platform; "Æ" is an elven spelling of "Ai" (artificial intelligence); "A-Xii" refers to the Lockheed SR-71 Blackbird's predecessor, the A-12, a high-speed reconnaissance aircraft.
• Exa Dark Sideræl: "Exa" refers to exascale computing; "Dark" represents the unknown; "Sideræl" is a more elven spelling of "sidereal," relating to the stars.
• Techno Mechanicus: Directly invokes technology and mechanics, fitting the theme of his companies like Tesla and The Boring Company.

In stark contrast to these public, unique names, the children with Shivon Zilis and Justine Wilson have mostly maintained a lower profile, with their names—Strider, Azure, Seldon Lycurgus, Griffin, Saxon, and Damian—being more traditional, though still distinctive. The decision by his daughter, Vivian Jenna Wilson, to legally change her name and sever ties with her father's surname further highlights the complex dynamics within the family, bringing the private struggles of a public figure into the mainstream conversation.

The ongoing narrative of Elon Musk’s growing family is more than a celebrity story; it’s a living case study in the intersection of extreme wealth, technological ambition, and deeply held personal beliefs about the future of the human race. With 14 children and a public platform that shows no sign of quieting, the world will undoubtedly continue to monitor the growth and evolution of the Musk family tree.