The Full List Of Elon Musk's 13 Children And Their Mothers: Names, Meanings, And Latest 2025 Updates

Billionaire entrepreneur Elon Musk is as famous for his sprawling business empire—Tesla, SpaceX, and X—as he is for his rapidly growing family. As of December 10, 2025, the tech mogul is the father of at least 13 children with three different women, a number that continues to capture global attention and fuel the conversation around his views on population growth and human civilization. The latest additions, including a fourth child with Neuralink executive Shivon Zilis and a third with musician Grimes, confirm his commitment to building a large family, often choosing names that are as unique and futuristic as his companies.

The names of his children span from traditional to deeply esoteric, reflecting the distinct personalities and interests of their parents. From the tragic loss of his firstborn to the complex, code-like names of his younger children, understanding the full list requires a deep dive into the Musk family tree. This article provides the most current and comprehensive breakdown of all 13 confirmed children, their mothers, and the fascinating stories behind their unconventional names.

The Mothers and Their Professional Profiles

Elon Musk’s children are mothered by three highly accomplished women: Canadian author Justine Wilson, musician and artist Grimes, and artificial intelligence expert Shivon Zilis. Each woman has a distinct professional background that contributes to the fascinating tapestry of the Musk family.

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Justine Wilson (Canadian Author)

• Full Name: Jennifer Justine Wilson (now Justine Musk).
• Profession: A Canadian author known for her work in dark urban fantasy and young adult fiction. Her novels include BloodAngel and Lord of Bones.
• Education: She earned a bachelor's degree in English literature from Queen's University in Ontario, Canada.
• Relationship: Musk's first wife, married from 2000 to 2008. They had six children together.

Grimes (Claire Boucher, Musician and Artist)

• Full Name: Claire Elise Boucher.
• Profession: A highly influential Canadian musician, singer, songwriter, and record producer known by her stage name, Grimes. Her work is characterized by a unique fusion of dream pop, R&B, and electronic music.
• Background: She studied neuroscience and philosophy at McGill University before pursuing music.
• Relationship: Musk's former partner, with whom he shares three children.

Shivon Zilis (AI and Tech Executive)

• Full Name: Shivon Zilis.
• Profession: A prominent figure in the artificial intelligence (AI) and venture capital world. She currently serves as an executive at Neuralink, one of Musk’s neurotechnology companies.
• Background: She was a former board member at OpenAI and has been described as Musk’s go-to person for AI discussions. She was born in Ontario, Canada, and holds Canadian citizenship.
• Relationship: An executive at Musk's company, with whom he shares four children.

The Complete List of Elon Musk's 13 Children and Their Unique Names

The confirmed names of Elon Musk's children total 13, with birth years spanning over two decades. Their names are often a blend of classical references, sci-fi concepts, and esoteric language.

The Children with Justine Wilson (6)

Musk and Wilson welcomed their first child in 2002, followed by twins and triplets via IVF, making them parents to six children in total.

• Nevada Alexander Musk
  • Born: 2002
  • Status: Tragically died of Sudden Infant Death Syndrome (SIDS) at 10 weeks old.
• Griffin Musk and Vivian Wilson (Twins)
  • Born: April 2004
  • Note: Vivian Wilson, formerly Xavier Musk, legally changed her name in 2022 to officially adopt her mother's maiden name, Wilson.
• Kai Musk, Saxon Musk, and Damian Musk (Triplets)
  • Born: January 2006
  • Note: The triplets were conceived via in vitro fertilization (IVF).

The Children with Grimes (3)

The three children with Grimes, whose real name is Claire Boucher, are known for their highly unconventional, technological, and almost coded names, reflecting the parents’ shared interest in science fiction, AI, and futurism.

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• X Æ A-Xii (Nickname: X)
  • Born: May 2020
  • Name Meaning: According to Grimes, 'X' is the "unknown variable," 'Æ' is the Elven spelling of AI (Artificial Intelligence or Love), and 'A-Xii' is a reference to the Lockheed A-12 "Archangel" aircraft, the precursor to the SR-71 Blackbird.
• Exa Dark Sideræl Musk (Nickname: Y)
  • Born: December 2021 (via surrogate)
  • Name Meaning: 'Exa' refers to exaFLOP, a term in supercomputing. 'Dark' represents the unknown, specifically dark matter. 'Sideræl' is the Elven spelling of sidereal, meaning the true time of the universe, not Earth time.
• Techno Mechanicus (Nickname: Tau)
  • Born: 2023
  • Note: The birth of their third child, a son, was revealed in Walter Isaacson's 2023 biography of Elon Musk. The name is a continuation of the futuristic, machine-inspired theme.

The Latest Additions: Four Children with Shivon Zilis

The newest additions to the Musk family are the four children he shares with Shivon Zilis, an executive at his company Neuralink. The births were kept private until revealed in court documents and later confirmed in biographies and news reports, demonstrating Musk's commitment to his vision of combating population decline.

The Children with Shivon Zilis (4)

The four children were born in quick succession, further expanding the Musk family tree and highlighting the close professional and personal relationship between Musk and Zilis.

• Strider Musk and Azure Musk (Twins)
  • Born: November 2021
  • Note: Strider and Azure were born just weeks before the birth of Exa Dark Sideræl (Y), making them part of a unique period of family expansion. Their names are also often reported with their mother's surname, Zilis, as a middle name (Strider Zilis Musk, Azure Zilis Musk).
• Arcadia Musk
  • Born: 2024
  • Note: Arcadia's birth was confirmed in 2024, making her the third child shared by Musk and Zilis.
• Seldon Lycurgus Musk
  • Born: Late 2024/Early 2025
  • Note: The fourth child with Zilis, Seldon Lycurgus, was confirmed in early 2025. The name "Seldon" is likely a reference to Hari Seldon, a central figure in Isaac Asimov's Foundation series, a known favorite of Musk's.

The Expanding Family and the Future of the Musk Name

The sheer size and rapid expansion of Elon Musk's family have become a significant part of his public persona. His desire for a large family is often linked to his public concerns about the declining global birth rate and the potential collapse of human civilization. He has frequently stated that he is "doing his part" to address what he views as one of the biggest threats to humanity.

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The diverse and complex names chosen for his children—from the relatively traditional Griffin and Damian to the highly conceptual X Æ A-Xii and Techno Mechanicus—reflect a family that is anything but conventional. These names serve as a tangible connection between his personal life and his sci-fi-infused, technology-driven worldview. As the children grow, their unique names will undoubtedly keep the public and the media captivated, cementing their place in the ongoing narrative of one of the world's most influential and unconventional families.