Elon Musk's 14 Children: The Full List, The Controversial 13th Child (R.S.C.), And The Secret 14th Baby

The world's most prolific billionaire, Elon Musk, has once again stunned global media, with reports as of December 18, 2025, confirming he is now the father of 14 children. This remarkable—and often controversial—family expansion is driven by the tech titan's outspoken philosophy on global birthrates and 'population collapse.' The headlines are currently dominated by two recent additions: the highly disputed "13th child" and the quietly welcomed "14th child," both born in 2024.

This comprehensive article dives deep into the complete, updated list of the 'Musk-eteers,' focusing on the explosive details surrounding the alleged 13th child, R.S.C. Musk, and the paternity suit filed by conservative influencer Ashley St. Clair. We also reveal the name and mother of the confirmed 14th child, Seldon Lycurgus Musk, providing the freshest, most unique breakdown of the Musk family tree.

The Complete Elon Musk Family Tree: 14 Children and Four Mothers

Elon Musk, the CEO of Tesla and SpaceX, has consistently emphasized the importance of procreation to combat what he calls a "population collapse." His personal life reflects this pronatalist stance, with his children being born across two decades with four different women. The most recent revelations have pushed his total count to 14, including a son who tragically passed away.

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Here is the full, updated list of Elon Musk’s children in chronological order, accurate as of late 2025:

• Nevada Alexander Musk (Mother: Justine Wilson): Born in 2002. Tragically died of SIDS at 10 weeks old.
• Griffin Musk (Mother: Justine Wilson): Born in 2004 (Twin).
• Vivian Jenna Wilson (Mother: Justine Wilson): Born in 2004 (Twin).
• Kai Musk (Mother: Justine Wilson): Born in 2006 (Triplet).
• Saxon Musk (Mother: Justine Wilson): Born in 2006 (Triplet).
• Damian Musk (Mother: Justine Wilson): Born in 2006 (Triplet).
• X Æ A-Xii Musk ('X') (Mother: Grimes/Claire Boucher): Born in May 2020.
• Exa Dark Sideræl Musk ('Y') (Mother: Grimes/Claire Boucher): Born via surrogate in December 2021.
• Strider Musk (Mother: Shivon Zilis): Born in 2021 (Twin).
• Azure Musk (Mother: Shivon Zilis): Born in 2021 (Twin).
• Techno Mechanicus ('Tau') (Mother: Grimes/Claire Boucher): Born in 2022.
• Arcadia Musk (Mother: Shivon Zilis): Born in February 2024.
• R.S.C. Musk (Romulus S. C. Musk) (Alleged Mother: Ashley St. Clair): Born in September 2024.
• Seldon Lycurgus Musk (Mother: Shivon Zilis): Born in late 2024.

The Controversial "13th Child": R.S.C. Musk and the Paternity Battle

The title of "13th child" is currently mired in a public and legal dispute, injecting a dramatic new layer of controversy into Musk’s family narrative. The claim revolves around conservative influencer and author Ashley St. Clair, who publicly announced in February 2025 that she had secretly given birth to Musk's son five months prior, placing the birth in September 2024.

The Details of the R.S.C. Musk Paternity Suit

The child, a boy, was given the initials R.S.C. Musk, with some reports suggesting the full name is Romulus S. C. Musk.

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The situation escalated quickly when St. Clair filed a paternity and custody petition against the billionaire.

In the legal filing, St. Clair claims that Musk is the father of R.S.C. and is seeking sole custody and child support.

Crucially, St. Clair alleges that Musk "acknowledged parentage of the child in various written correspondences," including a text message exchange following R.S.C.'s birth.

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This legal confrontation is a significant development, as it is the first time a mother of one of Musk's alleged children has pursued a public paternity suit. Musk has remained silent on the claim, neither confirming nor denying the baby's parentage, though St. Clair claims he has not been in contact since the announcement.

The Confirmed Newest Additions: Arcadia and Seldon Lycurgus

While the paternity of R.S.C. Musk remains a legal question mark, two other children have been confirmed to have been born in 2024, cementing the count of 14. Both were born to Neuralink executive Shivon Zilis, with whom Musk previously had twins, Strider and Azure, in 2021.

Arcadia Musk: The Quiet 12th Child

In February 2024, reports surfaced that Musk and Zilis had welcomed their third child together, a daughter named Arcadia.

This birth, which was Musk’s 12th overall at the time, was kept private initially, continuing a pattern of highly discreet family planning between the two. The public learned about the baby’s arrival only after the fact, highlighting the private nature of their relationship compared to his more public one with the artist Grimes.

Seldon Lycurgus Musk: The Confirmed 14th Child

The confirmed 14th child is a son named Seldon Lycurgus Musk, born in late 2024, also to Shivon Zilis.

This makes Seldon Lycurgus the fourth child the Tesla CEO shares with Zilis, who is the Director of Operations and Special Projects at Neuralink, a company Musk co-founded.

The revelation of Seldon Lycurgus's birth was announced by Zilis on X (formerly Twitter), bringing the total number of Musk's children to a confirmed 14, an unprecedented number for a modern-day public figure.

The Procreation Philosophy: Why Elon Musk Has So Many Children

The sheer size of Elon Musk's family is not merely a personal choice; it is a direct expression of his deeply held, public philosophy known as "pronatalism."

Musk is the world's most famous proponent of this movement, which advocates for high birth rates. He has repeatedly warned that "population collapse due to low birthrates is a much bigger risk" to civilization than global warming.

His belief system is rooted in the idea of long-term survival and the advancement of humanity, often aligning with the philosophical concept of 'longtermism.'

Musk sees having children as a moral and societal imperative, a way to ensure the continuation of the human race, particularly in the face of what he views as a demographic crisis.

This ideology explains his use of modern reproductive technologies, including IVF and surrogacy, which some commentators have called "the future of reproduction," to build his large family.

The complexity of his family life—involving four mothers, multiple sets of twins, a paternity suit, and a total of 14 children—has made the Musk family tree one of the most discussed and controversial topics in modern celebrity culture. The ongoing legal battle over R.S.C. Musk ensures that the public fascination with the billionaire's family life will continue to grow.