The 4 Mothers And 14 Children: A Complete, Updated List Of Elon Musk's Family In 2025

Billionaire entrepreneur Elon Musk, the CEO of Tesla, SpaceX, and X (formerly Twitter), is known for his ambitious ventures into space, electric vehicles, and artificial intelligence. However, as of late 2024 and confirmed in early 2025, his personal life has drawn significant attention due to his rapidly expanding family.

The tech mogul has publicly stated his belief that declining birth rates pose a major risk to civilization, and he has certainly done his part to counter this trend. The most recent updates confirm that Musk is the father of a remarkable 14 children, born to four different women, often referred to as his "baby mommas."

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

The total number of women who have children with Elon Musk is four. This list is current as of December 2025, reflecting the most recent public announcements regarding his family.

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The names of the four mothers are: Justine Wilson, Grimes, Shivon Zilis, and Ashley St. Clair. Each woman has a distinct professional background, ranging from Canadian authors to AI experts and conservative commentators.

Justine Wilson: The First Wife and Six Children

Justine Wilson is a Canadian author and Musk’s first wife. They married in 2000 and divorced in 2008. They had one child who tragically passed away, followed by two sets of multiples, all conceived via in vitro fertilization (IVF).

• Nevada Alexander Musk (2002): Tragically passed away at 10 weeks old due to Sudden Infant Death Syndrome (SIDS).
• Griffin Musk (2004): Twin son.
• Vivian Jenna Wilson (2004): Twin daughter, who legally changed her name in 2022.
• Kai Musk (2006): Triplet son.
• Saxon Musk (2006): Triplet son.
• Damian Musk (2006): Triplet son.

Grimes (Claire Elise Boucher): The Musician and Three Children

Grimes, whose legal name is Claire Elise Boucher, is a Canadian singer, songwriter, and artist. Her relationship with Musk began in 2018 and has been characterized by its on-again, off-again status and the use of famously unconventional names for their children.

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• X Æ A-Xii (X) (Born May 2020): Son, originally named X Æ A-12, later changed to comply with California law.
• Exa Dark Sideræl Musk (Y) (Born December 2021): Daughter, born via surrogate.
• Techno Mechanicus (Tau) (Born June 2022): Son, whose birth was kept private until it was revealed in Walter Isaacson's 2023 biography of Musk.

Shivon Zilis: The AI Executive and Four Children

Shivon Zilis is a Canadian venture capitalist and a high-ranking executive at Neuralink, one of Musk’s companies. She specializes in machine learning and artificial intelligence. The existence of their first set of twins was revealed in July 2022, and the birth of their fourth child was announced in early 2025.

• Strider Musk (Born 2021): Twin son.
• Azure Musk (Born 2021): Twin daughter.
• Arcadia Musk (Birth details not widely publicized): Third child.
• Seldon Lycurgus Musk (Announced February 2025): Fourth child with Zilis, confirming their total of four children together.

Ashley St. Clair: The Conservative Commentator and One Child

The most recent addition to the list of mothers is Ashley St. Clair, an American conservative political commentator, author, and social media influencer. The news of her child with Musk was a major surprise, confirmed in February 2025.

• Romulus Musk (Born September 2024): Son, whose birth was announced in early 2025, making him one of the youngest publicly known children of Elon Musk.

The Mothers of Musk's Children: Biographical Profiles

The four women who share children with Elon Musk come from diverse and accomplished professional backgrounds, reflecting the tech billionaire’s wide-ranging interests and professional network. Their roles extend far beyond their association with Musk, adding layers of topical authority to the discussion of his family life.

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Justine Wilson: Author and Creative Force

Justine Wilson is a Canadian author known for her fantasy novels, including BloodAngel and Lord of Bones. She was instrumental in Musk’s early life and career, having met him while they were students at Queen's University in Ontario. Wilson has been public about her experience with IVF and the tragic loss of their first son, offering a candid look into the early years of Musk's fatherhood journey.

Grimes (Claire Elise Boucher): Experimental Musician and Artist

Grimes is a highly acclaimed figure in the music industry, recognized for her experimental style that blends electronic, pop, and art rock. Her unique artistic vision extends to her children's names, such as X Æ A-Xii and Exa Dark Sideræl, which often incorporate mathematical or scientific concepts. She has been a major figure in the cultural conversation surrounding Musk, particularly in how her creative world intersects with his technological one.

Shivon Zilis: AI Expert and Neuralink Executive

Shivon Zilis is a Canadian venture capitalist and artificial intelligence specialist. She was born in 1986 and is a graduate of Yale University. Zilis has held prominent positions in the tech world, including working at IBM, Bloomberg, and being named to Forbes' "30 Under 30" list for venture capital. Crucially, she is the Director of Operations and Special Projects at Neuralink, one of Musk’s most ambitious brain-interface companies, demonstrating a deep professional connection that precedes their shared children.

Ashley St. Clair: Political Commentator and Influencer

Ashley St. Clair, born in 1999, is an American conservative political commentator, author, and social media influencer. She gained prominence through her work with various conservative media outlets and is known for her strong political views. Her professional focus is on US cultural and political issues, a stark contrast to Musk’s typical partners, making her a surprising and notable addition to the list of mothers of his children.

The Philosophy Behind Musk's Large Family

Elon Musk's decision to have a large family is not merely a personal choice; it is tied directly to his public concerns about a demographic crisis. He frequently discusses the issue of "underpopulation" and the societal risks of declining birth rates, which he views as a far greater threat than global warming.

His philosophy is often summarized by his belief that people with high intelligence and resources should have more children to ensure the future of civilization. This mindset offers a unique lens through which to view his family structure, positioning his personal life as a form of activism against what he perceives as a looming global collapse.

The unconventional nature of his family—with children born to partners who are often high-achieving professionals, and the use of unique names like X Æ A-Xii and Techno Mechanicus—only amplifies the public interest in his personal life. The recent, rapid expansion of his family in late 2024 and early 2025 with Shivon Zilis and Ashley St. Clair underscores his commitment to this controversial demographic mission.

Ultimately, the story of Elon Musk's 14 children and their four mothers is a complex tapestry of personal relationships, technological ambition, and a public, polarizing philosophy on the future of humanity. The sheer size and diversity of his family continue to cement his status not just as a business titan, but as one of the most unconventional and intriguing figures in modern public life.