Elon Musk's 14 Children: Names, Mothers, And The Shocking New Babies Of 2025

The world's most prolific billionaire, Elon Musk, has once again made global headlines, confirming his status as a father to a staggering number of children. As of the current date in December 2025, the CEO of Tesla and SpaceX is reportedly a father to 14 children with four different women, a number that has recently expanded with the public announcement of two new babies in early 2025, adding another layer of complexity and curiosity to his already unconventional family structure.

The latest revelations, involving Neuralink executive Shivon Zilis and conservative political commentator Ashley St. Clair, have brought the total count to a remarkable 14, including a son named Seldon Lycurgus and another named Romulus. This article provides the most up-to-date, comprehensive list of all his children, the mothers, and the fascinating, futuristic names that continue to capture public attention.

The Family Expansion: A Complete Biography and Profile List

The story of Elon Musk's family is as complex and dynamic as his business empire. The recent announcements in early 2025 have solidified his commitment to combating "underpopulation" through his own family expansion. Below is a profile of the key figures involved in the latest news, followed by a chronological list of his 14 children.

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Elon Musk: Entrepreneur and Father

• Full Name: Elon Reeve Musk
• Born: June 28, 1971 (Pretoria, South Africa)
• Key Roles: CEO of Tesla, CEO & CTO of SpaceX, Owner/CTO of X (formerly Twitter), Founder of The Boring Company, Co-Founder of Neuralink and xAI.
• Mothers of His Children: Justine Wilson, Grimes (Claire Boucher), Shivon Zilis, and Ashley St. Clair.

Shivon Zilis: Neuralink Executive and Mother of Four

• Role: Director of Operations and Special Projects at Neuralink; former Project Director at Tesla and former Board Member at OpenAI.
• Connection to Musk: Long-time associate and executive at his companies; mother of his twins (Strider and Azure) and two younger children (Arcadia and Seldon Lycurgus).
• Newest Child: Seldon Lycurgus Musk (Child #14), announced in early 2025.

Ashley St. Clair: Conservative Commentator and Newest Mother

• Role: Conservative political commentator, author, and social media influencer.
• Connection to Musk: Mother of his son, Romulus Musk.
• Newest Child: Romulus Musk (Child #13), born in September 2024 and publicly revealed in February 2025.

The Full List of Elon Musk’s 14 Children and Their Mothers

Musk’s children, often affectionately dubbed the "Musk-eteers," span two decades, beginning with his first wife, Justine Wilson. The newest additions, Romulus and Seldon Lycurgus, have brought the total count to 14, a number that has stunned observers worldwide.

I. With Justine Wilson (5 Children)

Musk’s first wife, Canadian author Justine Wilson, is the mother of his oldest living children. Their first son, Nevada Alexander Musk, tragically died of SIDS at 10 weeks old in 2002. They later welcomed twins and then triplets via IVF.

• Griffin Musk and Vivian Jenna Wilson (Twins): Born in 2004. Vivian, who is transgender, legally changed her name in 2022.
• Kai Musk, Saxon Musk, and Damian Musk (Triplets): Born in 2006.

II. With Grimes (3 Children)

Musician Grimes (Claire Boucher) and Musk are known for giving their children abstract, futuristic, and highly unique names that reflect their shared interest in technology and science fiction.

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• X Æ A-Xii Musk (Son, "X"): Born May 2020. Originally named X Æ A-12, the name was later changed due to California law.
• Exa Dark Sideræl Musk (Daughter, "Y"): Born via surrogate in December 2021. Her name is often shortened to "Y."
• Techno Mechanicus Musk (Son, "Tau"): Secretly welcomed, his existence was confirmed in late 2023. His nickname is "Tau."

The Latest Additions: Babies #13 and #14 Confirmed in 2025

The most recent and headline-grabbing additions to the Musk family were announced in a short timeframe in early 2025, bringing the total count to 14. These announcements have sparked intense media scrutiny regarding the timing and the mothers involved.

III. With Ashley St. Clair (1 Child)

The revelation of a child with conservative influencer Ashley St. Clair was one of the biggest surprises of the year. The news broke in February 2025, confirming the birth of a son the previous year.

• Romulus Musk (Son): Born in September 2024. The name Romulus is a classical reference, sharing a name with the legendary founder of Rome, which fits the pattern of significant, historical names.

IV. With Shivon Zilis (4 Children Total)

Shivon Zilis, an executive at Musk's neurotechnology firm Neuralink, is now a mother to four of his children. She and Musk secretly welcomed twins in 2021, and the birth of their fourth child was confirmed in February 2025, solidifying their growing family.

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• Strider Musk and Azure Musk (Twins): Born in November 2021, just weeks before Exa Dark Sideræl.
• Arcadia Musk (Daughter): The third child with Zilis, born in February 2024, whose name was kept private for some time.
• Seldon Lycurgus Musk (Son): The 14th child and fourth with Zilis, whose arrival was confirmed in early 2025. The name Seldon is a possible nod to Hari Seldon from Isaac Asimov's Foundation series, a clear link to Musk's fascination with science fiction and the future of civilization.

The "Underpopulation" Theory and Topical Authority

Musk’s unprecedented family size is not merely a personal choice; it is a public mission driven by his stated belief that "underpopulation is the biggest threat to civilization." He has consistently voiced his concern that declining birth rates among "smart people" or developed nations pose an existential risk far greater than climate change or war.

This philosophy provides topical authority for his actions. The names chosen for his children—from the technical, like Techno Mechanicus and Neuralink, to the classical, like Romulus and Lycurgus—reflect a deep, intellectual engagement with the future of humanity. The names themselves are entities that link back to his companies (Neuralink, xAI, SpaceX) and his philosophical outlook.

Key Entities and Themes in the Musk Family Narrative

The narrative surrounding the Musk family is rich with themes and entities that define the 21st-century billionaire class. The sheer number of children, the unique naming conventions, and the prominence of the mothers in his professional life (Shivon Zilis at Neuralink) create a complex web of personal and professional entanglement.

• Technological Futurism: Names like X Æ A-Xii and Exa Dark Sideræl are direct references to aerospace, dark matter, and artificial intelligence (AI).
• Classical References: The names Romulus and Seldon Lycurgus reference ancient history and foundational science fiction, suggesting a desire for a lasting, monumental legacy.
• The Mothers' Roles: The involvement of Shivon Zilis, a high-ranking executive in his AI ventures, and the public profile of Grimes and Ashley St. Clair, ensure the family remains a permanent fixture in both the tech and social media news cycles.
• The Tesla and SpaceX Legacy: Every new child is seen by some as an extension of the Musk brand, a living embodiment of his long-term vision for humanity's future on Earth and in space.

The continued expansion of Elon Musk's family, most recently highlighted by the births of Seldon Lycurgus and Romulus, confirms that his personal life is inextricably linked to his public mission. With 14 children and counting, the world remains captivated by the unconventional, high-profile life of the world's most talked-about entrepreneur.