The Musk-eteers: A Deep Dive Into Elon Musk's 14 Children And Their Four Mothers

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Elon Musk’s family tree is arguably as complex and rapidly expanding as his business empire, spanning four mothers and now totaling 14 children. As of the current date, December 22, 2025, the tech billionaire has cemented his status as a vocal proponent of high birth rates, putting his philosophy into practice with the recent announcements of two new additions in early 2025 alone.

The latest updates, including the births of a son named Romulus and another named Seldon Lycurgus, have brought the total count of the so-called "Musk-eteers" to 14, a figure that continues to capture global curiosity. This deep dive explores the full list of his children, the unique names they bear, and the latest news surrounding their lives, from a modeling debut at New York Fashion Week to the controversial nature of their parentage.

The Complete Biography of Elon Musk's 14 Children and Their Mothers

Elon Musk has fathered 14 children with four different women: Canadian author Justine Wilson, musician Grimes (Claire Boucher), Neuralink executive Shivon Zilis, and conservative journalist Ashley St. Clair. The following is a chronological list of his children, including their full names and mothers.

  • Nevada Alexander Musk (Mother: Justine Wilson)
  • Born in 2002. Tragically passed away from Sudden Infant Death Syndrome (SIDS) at just 10 weeks old. His death led to Musk and Wilson pursuing IVF for their subsequent children.

  • Griffin Musk (Mother: Justine Wilson)
  • Born in 2004. He is one of a set of twins conceived via IVF. Griffin has largely maintained a private life.

  • Vivian Jenna Wilson (formerly Xavier Alexander Musk) (Mother: Justine Wilson)
  • Born in 2004. Griffin’s twin sister. Vivian legally changed her name in 2022, adopting her mother's maiden name and publicly identifying as a transgender woman. She has been in the news recently for speaking out about her relationship with her father and her burgeoning career.

  • Kai Musk (Mother: Justine Wilson)
  • Born in 2006. He is one of a set of triplets, conceived via IVF.

  • Saxon Musk (Mother: Justine Wilson)
  • Born in 2006. One of the triplets.

  • Damian Musk (Mother: Justine Wilson)
  • Born in 2006. The third of the triplets. These five children with Wilson are Musk's oldest surviving children.

  • Strider Zilis Musk (Mother: Shivon Zilis)
  • Born in 2021. One of a set of twins with Neuralink director Shivon Zilis, born just weeks before the birth of his third child with Grimes. The twins' names were kept private until court documents were made public.

  • Azure Zilis Musk (Mother: Shivon Zilis)
  • Born in 2021. Strider's twin sister.

  • X Æ A-Xii (nicknamed 'X') (Mother: Grimes)
  • Born May 4, 2020. The couple's first child, whose original name was famously changed due to California legal restrictions on using non-alphabetic characters. His name is pronounced 'Ex Ash A Twelve'.

  • Exa Dark Sideræl Musk (nicknamed 'Y') (Mother: Grimes)
  • Born in December 2021 via surrogate. Her unique name is a reference to supercomputing, the dark matter of the universe, and the elven language of *The Lord of the Rings*.

  • Arcadia Zilis Musk (Mother: Shivon Zilis)
  • Born on February 28, 2024. The third child with Shivon Zilis, whose birth was revealed in subsequent reporting after the announcement of their fourth child.

  • Romulus Musk (Mother: Ashley St. Clair)
  • Born in September 2024. His birth was announced by conservative journalist Ashley St. Clair in February 2025, confirming Musk as the father. Romulus is Musk's 13th child.

  • Seldon Lycurgus Musk (Mother: Shivon Zilis)
  • Announced in February 2025. The fourth child with Shivon Zilis, bringing Musk's total known children to 14. Zilis shared the news on X, the platform Musk owns.

  • Techno Mechanicus (nicknamed 'Tau') (Mother: Grimes)
  • His existence was revealed in September 2023 via Walter Isaacson's biography of Musk. He is the third child with Grimes, rounding out their trio of uniquely named children.

The Latest News on the Musk Family in 2025

The most recent period has been marked by a flurry of activity and public attention surrounding the Musk children, particularly those making their debut in the public eye. The announcements of Romulus and Seldon Lycurgus in early 2025 solidified the total count at 14, sparking renewed global discussion on Musk's philosophy of procreation and population collapse.

The Newest Additions: Romulus and Seldon Lycurgus

The news of Romulus, born to Ashley St. Clair, and Seldon Lycurgus, the fourth child with Shivon Zilis, highlights Musk's complex and unconventional approach to family building. Ashley St. Clair, a conservative commentator, announced the birth of Romulus in February 2025, stating the child was born in September 2024. Shortly after, Shivon Zilis, a Neuralink executive, confirmed the arrival of Seldon Lycurgus, her fourth child with the billionaire. These births underscore a pattern of keeping family matters private until a public confirmation is deemed necessary or desirable.

Vivian Jenna Wilson's Public Profile and Modeling Career

Perhaps the most public of the older children, Vivian Jenna Wilson, has been making headlines for her own achievements and for her outspoken views on her father. The 21-year-old, who legally changed her name to cut ties with her father's name, has recently launched a modeling career.

Vivian made her bold runway debut during New York Fashion Week (NYFW) in a significant recent development, walking for designers like Prabal Gurung. Her public statements have also drawn attention, including her reaffirmation of support for the transgender community and her criticisms of her father's political and social commentary. Musk, in a controversial move on his own platform X, has referred to her as his son and suggested she suffers from a "tragic mental illness," further highlighting the strained relationship.

The Unconventional Naming Conventions: X, Y, and Tau

The three children Musk shares with musician Grimes (Claire Boucher) are famous globally for their highly unconventional names, which often incorporate mathematical symbols, celestial references, and technological concepts, reflecting the interests of both parents.

X Æ A-Xii (X): The eldest of the trio, 'X' was originally named X Æ A-12, before being changed to comply with California laws that do not allow non-alphabetic characters in names. The 'Æ' is pronounced 'Ash,' and the 'Xii' is a reference to the Lockheed SR-71 Blackbird, a favorite aircraft of Musk's.

Exa Dark Sideræl (Y): Born via surrogate, 'Y's name is a blend of terms. 'Exa' refers to a supercomputing term, 'Dark' to the mysterious dark matter of the universe, and 'Sideræl' is a "more elven" spelling of sidereal, meaning relating to or determined by stars.

Techno Mechanicus (Tau): The third child, nicknamed 'Tau,' continues the trend of tech-inspired names. 'Techno Mechanicus' is a name that sounds like it could be drawn from a science fiction novel, reflecting the couple's shared interest in futurism and technology. The name was kept secret for a long period, only being revealed in Walter Isaacson's biography.

The Mothers Behind the Musk-eteers: A Brief Overview

Elon Musk's family life has been a partnership with four distinct women, each bringing a different dynamic to his ever-growing family. This unconventional structure has drawn significant media attention and commentary.

  • Justine Wilson: A Canadian author and Musk’s first wife. She is the mother of his first six children, including the deceased Nevada and the twins and triplets. Wilson has been open about their relationship and the challenges of raising a large family in the public eye.
  • Grimes (Claire Boucher): A Canadian musician and avant-garde artist. She shares three children with Musk, known for their unique and symbolic names. Their relationship has been on-again, off-again, but they maintain a co-parenting relationship for X, Y, and Tau.
  • Shivon Zilis: A high-ranking executive at Musk's brain-chip company, Neuralink, and a prominent figure in the AI world. She is the mother of four of his children: twins Strider and Azure, Arcadia, and Seldon Lycurgus. Their relationship was revealed through court documents related to the twins' names.
  • Ashley St. Clair: A conservative writer and commentator. She is the mother of Romulus, the 13th child, whose parentage was confirmed in early 2025.

The sheer size and complexity of Elon Musk's family, now standing at 14 children with four mothers, reflect his stated mission to combat falling birth rates in the Western world. While the family structure is highly unusual, the consistent news of new additions and the public lives of some of his older children ensure that the "Musk-eteers" will remain a topic of intense interest for years to come.

elon musk's children
elon musk's children

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