The Unconventional Family Tree: All 14 Children Of Elon Musk And Their Mothers (Updated 2025)

The question of "How many kids does Elon Musk have?" is a surprisingly complex one, with the official number constantly shifting due to the tech mogul's unconventional and rapidly expanding family. As of late December 2025, the Tesla and SpaceX CEO is confirmed to be the father of 14 children with four different women, a number that has made him one of the most talked-about figures in the global conversation about family and pro-natalism. This comprehensive guide breaks down the full, updated list of his children, their unique names, and the mothers who share parenthood with the world’s wealthiest individual.

The latest additions to the Musk family, including a child born in 2024 and another announced in early 2025, solidify his status as a prolific father who often speaks publicly about his concerns over declining birth rates. This deep dive will explore the full family tree, from his first marriage to his most recent, and the public intrigue surrounding the unique names he has chosen for his children.

Elon Musk: A Brief Biography and Family Overview

Elon Musk, born Elon Reeve Musk on June 28, 1971, in Pretoria, South Africa, is one of the most influential and wealthiest individuals in modern history. He is the CEO of the electric vehicle giant Tesla, the aerospace manufacturer SpaceX, and the owner of the social media platform X (formerly Twitter). He also leads the neurotechnology company Neuralink and the AI research company xAI.

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His business ventures have propelled him to an estimated net worth that has, at times, surpassed $500 billion, making him the world's richest person. While his professional life is dominated by ambitious, world-changing projects—from colonizing Mars to revolutionizing electric transport—his personal life is equally noteworthy, particularly his large and unconventional family structure.

Key Biographical Data:

• Full Name: Elon Reeve Musk
• Born: June 28, 1971 (Pretoria, South Africa)
• Key Companies: Tesla, SpaceX, X, xAI, Neuralink, The Boring Company
• Estimated Net Worth (Late 2025): Approximately $480–$500 Billion
• Number of Confirmed Children: 14 (as of late 2025)

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

Musk’s family spans two decades, beginning with his first marriage and continuing through complex co-parenting relationships. He has welcomed his 14 children with four different women, creating a unique and often-discussed family tree.

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The following list details all 14 children, organized by their mother, up to the most recent publicly confirmed births in 2024 and 2025.

1. With Justine Wilson (5 Living Children, 1 Deceased)

Musk's first wife, Canadian author Justine Wilson, is the mother of his first six children. The couple was married from 2000 to 2008.

• Nevada Alexander Musk (2002–2002): Nevada was Musk's first child, who tragically died of Sudden Infant Death Syndrome (SIDS) at just 10 weeks old.
• Griffin Musk (Born 2004): One of a set of twins born via IVF.
• Vivian Jenna Wilson (Born 2004): Griffin's twin. Vivian legally changed her name and gender in 2022, seeking to sever ties with her father.
• Kai Musk (Born 2006): One of a set of triplets born via IVF.
• Saxon Musk (Born 2006): Kai and Damian's triplet brother.
• Damian Musk (Born 2006): Kai and Saxon's triplet brother.

2. With Claire "Grimes" Boucher (3 Children)

Musk’s relationship with the Canadian musician Grimes (Claire Boucher) began in 2018 and has been highly publicized due to their unique choice of names for their children.

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• X Æ A-Xii Musk (Born 2020): Known simply as "X," his name is perhaps the most famous of all the Musk children, involving a complex mix of an unknown variable, the elven spelling of AI, and a reference to the SR-71 Blackbird aircraft.
• Exa Dark Sideræl Musk (Born 2021): Known as "Y," this daughter was born via surrogate. Her name is a nod to a supercomputing term and the concept of "dark matter."
• Techno Mechanicus (Born 2023): Known as "Tau" (T), this son’s birth was revealed in a biography of Musk.

3. With Shivon Zilis (4 Children)

Shivon Zilis is a Canadian venture capitalist and a top executive at Musk's company, Neuralink. The two have welcomed four children together, with the births of the latest two solidifying the count of 14.

• Azure Musk (Born 2021): One of a set of twins born just weeks before the birth of Exa Dark Sideræl (Y).
• Strider Musk (Born 2021): Azure's twin brother. They were conceived via IVF.
• Arcadia Musk (Born February 28, 2024): The birth of their third child was confirmed in June 2024, with Zilis sharing a loving post about her daughter.
• Seldon Musk (Born 2024/2025): Recent reports suggest the birth of a fourth child with Zilis, further expanding the family.

4. With Ashley St. Clair (1 Child)

In a very recent and unconfirmed public announcement, conservative influencer Ashley St. Clair claimed in February 2025 that she had given birth to a child with Elon Musk in September 2024. This latest claim is what has pushed the total count to the widely reported 14.

• Unnamed Child (Born September 2024): This child’s birth is the newest and most contentious addition to the list, awaiting official confirmation from Musk himself.

The Pro-Natalist Philosophy Driving the Musk Family Tree

The sheer size and rapid growth of the Musk family are intrinsically linked to Elon Musk's public and vocal stance on global demographics. He is a self-proclaimed "pro-natalist," frequently expressing his alarm over what he calls the "population collapse" or "underpopulation crisis."

Musk has often argued that declining birth rates pose a far greater threat to human civilization than global warming. He views having a large number of children as a personal and societal imperative, a philosophy that directly explains his decision to have a large family with multiple partners.

The Public and Private Challenges of a Large Family

The challenges of co-parenting 14 children across four different mothers, some of whom live in separate states or countries, are immense. Musk himself has admitted that it is "impossible" to spend time with all of his kids, a candid acknowledgment of the logistical difficulties inherent in his family structure.

Despite the complexity, the mothers of his children, particularly Shivon Zilis, have publicly supported his pro-natalist views, framing their co-parenting relationship as a joint effort to address the demographic crisis. The unique names chosen for the children with Grimes—X Æ A-Xii, Exa Dark Sideræl, and Techno Mechanicus—have also been a consistent source of public fascination, demonstrating a blend of high-tech references and esoteric concepts that mirror Musk's public persona.

As the "Musk tribe" continues to grow and evolve, it remains a powerful symbol of the tech billionaire's ability to live life on his own terms, blending his personal beliefs with his public actions in a way that consistently captures global attention. The family tree is not just a list of names; it is a living, breathing manifestation of his conviction that humanity must prioritize reproduction to secure its long-term future.