The 14 'Musk-eteers': Everything We Know About Elon Musk's Newest Child, Seldon Lycurgus

The family of the world's most prolific father in tech has expanded once again. As of late 2024 and early 2025, the total number of Elon Musk’s children has reached 14, with the latest arrival being a son named Seldon Lycurgus. This news, which follows closely on the heels of the public revelation of his 13th child, Romulus, confirms the Tesla and SpaceX CEO’s commitment to his deeply held public philosophy on combating the global decline in birth rates. The most recent addition, Seldon Lycurgus, is the fourth child the tech mogul shares with Neuralink executive Shivon Zilis.

The announcement of Seldon Lycurgus has once again put the spotlight on Musk’s complex and expanding family structure, spanning four different mothers. The sheer size of his family is a direct reflection of his frequently stated belief that a collapsing birth rate is the "biggest danger" facing human civilization. This article provides the most current details about his 14th child, the complete list of all his children, and the context behind his mission to populate the future.

The Complete Biography and Chronology of Elon Musk's 14 Children

Elon Musk, born June 28, 1971, is a business magnate and investor known for his roles as CEO of Tesla, CEO of SpaceX, and owner of X (formerly Twitter). He has welcomed 14 children with four different women, a family tree that has grown significantly in recent years. The following is the definitive, up-to-date list of all his children in chronological order:

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• Nevada Alexander Musk (Mother: Justine Wilson)
  • Born: 2002
  • Status: Tragically died of Sudden Infant Death Syndrome (SIDS) at 10 weeks old.
• Griffin Musk & Vivian Jenna Wilson (Twins) (Mother: Justine Wilson)
  • Born: 2004
  • Note: Vivian, formerly Xavier, legally changed her name and gender identity in 2022.
• Kai Musk, Saxon Musk, & Damian Musk (Triplets) (Mother: Justine Wilson)
  • Born: 2006 (via IVF)
• X Æ A-Xii ('X') (Mother: Grimes - Claire Boucher)
  • Born: May 2020
• Strider & Azure (Twins) (Mother: Shivon Zilis)
  • Born: November 2021 (via IVF)
  • Note: Their birth was kept private until court documents were revealed in mid-2022.
• Exa Dark Sideræl ('Y') (Mother: Grimes - Claire Boucher)
  • Born: December 2021 (via surrogate)
• Arcadia (Mother: Shivon Zilis)
  • Born: February 2024
  • Note: The birth was confirmed by Musk in late 2024.
• Techno Mechanicus ('Tau') (Mother: Grimes - Claire Boucher)
  • Born: 2023
  • Note: The birth of their third child was revealed in September 2023.
• Romulus (Mother: Ashley St. Clair)
  • Born: Late 2023/Early 2024
  • Note: The existence of this child, previously his 13th, was publicly revealed in February 2025.
• Seldon Lycurgus (Mother: Shivon Zilis)
  • Born: Late 2024/Early 2025
  • Note: The most recent child, confirmed as his 14th, announced in February 2025.

Seldon Lycurgus: The 14th Child and Fourth with Shivon Zilis

The arrival of Seldon Lycurgus marks a significant milestone in Elon Musk's family journey, solidifying his position as a father of 14. Seldon is the fourth child born to Musk and Shivon Zilis, a Canadian executive at Musk's neurotechnology company, Neuralink. Zilis confirmed the birth of their newest son via a social media post, reflecting on their growing, blended family.

The choice of name, Seldon Lycurgus, is instantly recognizable as fitting the pattern of unique, often esoteric names Musk and the mothers of his children select. The name "Seldon" is widely believed to be a reference to Hari Seldon, a central character in Isaac Asimov's seminal science fiction series, *Foundation*. This nod to a figure who uses mathematics to predict the future of civilization is entirely on brand for the futurist CEO. The middle name, Lycurgus, references a legendary Spartan lawgiver, adding a layer of classical, historical gravity to the child's identity.

The birth of Seldon Lycurgus comes shortly after the confirmation of their third child, Arcadia, who was born in February 2024. The twins, Strider and Azure, were born in November 2021. This rapid expansion of their family unit—four children in just over three years—highlights the intense pace of Musk's personal life and his dedication to his pro-natalist views.

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The Surprising Revelation of Romulus: The 13th Child

Adding to the complexity of the chronological list, the news of Seldon Lycurgus was preceded by the public revelation of the 13th child, a son named Romulus, whose mother is conservative influencer Ashley St. Clair. This announcement came in February 2025, confirming a child whose existence had been speculated about for some time. Romulus was reportedly born in late 2023 or early 2024.

The name Romulus is another classical reference, a nod to the mythological founder of Rome, who, along with his twin brother Remus, was raised by a she-wolf. The revelation of Romulus just before the announcement of Seldon Lycurgus showcases the fluid and often surprising nature of the billionaire's family life. It also underscores the difficulty the public has in tracking the precise number and timing of his children, as many births are kept private until court documents or public announcements are made months or even years later.

Elon Musk's Pro-Natalist Philosophy and the Birth Rate Crisis

The motivation behind Elon Musk’s exceptionally large family is not merely personal; it is tied directly to his public platform and his concerns about demographic collapse. Musk has repeatedly stated that a declining global fertility rate is the "biggest danger" to human civilization, even more so than climate change.

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He frequently uses his platform on X (formerly Twitter) to warn about the potential for a societal collapse if the birth rate continues to fall below the replacement level. His view is that without a growing human population, there will be no humanity to colonize Mars, develop artificial intelligence safely, or ensure the long-term survival of the species.

Musk sees his own actions as a form of "leading by example" in the face of what he calls a "population bomb" in reverse. The expansion of his family with highly capable women, such as Shivon Zilis, a Yale-educated executive and AI specialist, is seen by many as a practical application of his philosophy—contributing to the gene pool of the future. The sheer volume of births, especially the two sets of twins and one set of triplets, suggests a deliberate and strategic approach to family planning that aligns with his mission-driven worldview.

The Future of the Musk Family Tree

With 14 children spanning infants to young adults, the Musk family is one of the most visible and talked-about large families in the world. The children are being raised across different households, with different mothers, but Musk has emphasized his commitment to being involved in all their lives. The children are often referred to as the "Musk-eteers" by the media, a term that captures the sense of a growing, united, yet geographically dispersed family unit.

The focus moving forward will be on how this large, diverse group of children—each with a unique name and background—will navigate their lives under the shadow of one of the world's most famous and polarizing figures. As long as Elon Musk continues to voice his strong concerns about the global birth rate, it is highly probable that the public will continue to watch for the next chapter in the ongoing story of his expanding family.