The Musk Dynasty: A Complete Chronological List Of Elon Musk's 14 Confirmed Children And Their Mothers

As of late 2025, the number of Elon Musk’s confirmed children stands at a remarkable 14, a figure that has rapidly expanded in recent years, cementing his status as one of the world’s most prolific fathers. The tech billionaire, who frequently speaks about his concerns regarding declining birth rates and the collapse of civilization, has actively sought to lead by example, welcoming new additions to his family with four different women: his first wife, Justine Wilson; musician Grimes; Neuralink executive Shivon Zilis; and conservative author Ashley St. Clair. This comprehensive guide provides the most current and chronological breakdown of the Musk family tree, detailing the unique names, birth years, and mothers of each child, including the very recent announcements that have kept the public and media constantly updating the count. The size and complexity of the Musk family have become a subject of global fascination, not just for the sheer number of children, but for the unconventional naming conventions and the diverse professional backgrounds of the mothers involved. The story of the Musk dynasty is one of modern family planning, involving IVF, surrogacy, and a clear, stated mission by the Tesla and SpaceX CEO to have a "legion" of children.

The Complete Biography of Elon Musk’s 14 Children

The following list details all 14 confirmed children of Elon Musk in chronological order, based on the most recent public announcements and biographical details available in late 2025.

Children with Justine Wilson (6 Children)

Elon Musk’s first foray into fatherhood began with his first wife, Canadian author Justine Wilson. The couple married in 2000 and had six children together, though their firstborn tragically passed away. The subsequent five were conceived via in vitro fertilization (IVF). * 1. Nevada Alexander Musk * Born: 2002 * Status: Tragically died of Sudden Infant Death Syndrome (SIDS) at 10 weeks old. His passing was a profound loss that led the couple to pursue IVF. * 2. Griffin Musk * Born: 2004 * Status: Twin (with Vivian), born via IVF. * 3. Vivian Jenna Wilson (formerly Xavier) * Born: 2004 * Status: Twin (with Griffin), born via IVF. In 2022, Vivian legally changed her name and gender, stating a desire to sever ties with her biological father. * 4. Kai Musk * Born: 2006 * Status: Triplet (with Saxon and Damian), born via IVF. * 5. Saxon Musk * Born: 2006 * Status: Triplet (with Kai and Damian), born via IVF. * 6. Damian Musk * Born: 2006 * Status: Triplet (with Kai and Saxon), born via IVF.

Children with Grimes (3 Children)

The relationship between Elon Musk and Canadian musician Grimes (Claire Boucher) captured worldwide attention due to their unconventional approach to life and their children’s truly unique names. They share three children, one of whom was only revealed in the 2023 biography by Walter Isaacson. * 7. X Æ A-12 Musk (Known as "X") * Born: May 4, 2020 * Status: Their first child together. The name was later legally changed to X Æ A-Xii due to California law restrictions on using numbers in names. * 8. Exa Dark Sideræl Musk (Known as "Y") * Born: December 2021 * Status: Born via a surrogate mother. Grimes revealed her existence in a 2022 interview, explaining that "Exa" refers to the supercomputing term exaFLOPS, and "Sideræl" is a more elven spelling of sidereal, referring to the true time of the universe. * 9. Tau Techno Mechanicus Musk (Known as "T") * Born: 2023 * Status: The existence of their third child, nicknamed Tau, was revealed in Musk’s 2023 biography. The full name is Tau Techno Mechanicus.

The Rapid Expansion: Children with Shivon Zilis and Ashley St. Clair

The most recent and least-publicized additions to the Musk family have been with two women in the tech and media spheres, further highlighting the CEO's commitment to his population goals. These recent births are what pushed the count to its current total of 14.

Children with Shivon Zilis (4 Children)

Shivon Zilis, a top executive at Neuralink and a prominent figure in the AI world, shares four children with Musk. The existence of the first set of twins was revealed in court documents related to a name change, while the two subsequent children were confirmed in 2024 and 2025. * 10. Strider Zilis Musk * Born: November 2021 * Status: Twin (with Azure), born via IVF, just weeks before Exa Dark Sideræl was born to Grimes via surrogate. * 11. Azure Zilis Musk * Born: November 2021 * Status: Twin (with Strider), born via IVF. * 12. Arcadia Zilis Musk * Born: 2024 * Status: Their third child together, a daughter, whose birth was confirmed in 2024. * 13. Seldon Zilis Musk * Born: 2024 * Status: Their fourth child together, a son, whose birth was confirmed in 2024/2025 reports, bringing Zilis's total to four children with Musk.

Child with Ashley St. Clair (1 Child)

The latest confirmed child on the Musk family tree was announced in early 2025, revealing a new mother for the tech titan. * 14. Romulus Musk * Born: September 2024 * Mother: Ashley St. Clair, a conservative journalist and media personality. * Status: The birth was announced in February 2025, confirming the family count officially reached 14.

Musk's Philosophy on Procreation and the Future of Civilization

Elon Musk’s large family is not merely a personal choice; it is tied directly to his public philosophy on global demographics and the future of humanity. He has repeatedly voiced strong concerns about what he terms a "population collapse" or "underpopulation crisis," arguing that low birth rates pose a far greater threat to civilization than global warming. The Tesla and SpaceX CEO believes that highly educated and wealthy individuals should have more children to ensure the continuation and advancement of human intelligence and society. His own actions—having 14 children with four different partners—are seen by him as a direct fulfillment of this self-imposed duty. He has openly stated that he aims to have a "legion" of children and has even reportedly offered financial incentives to some of his employees to encourage them to have larger families. This controversial stance has been a major point of discussion in the media, with many viewing his personal life as a radical social experiment in line with his futuristic business ventures. The names chosen for his children, particularly the ones shared with Grimes, are often seen as a reflection of his obsession with technology and space. Names like X Æ A-12, Exa Dark Sideræl, and Tau Techno Mechanicus are rooted in concepts from mathematics, astrophysics, and computer science, reinforcing the idea that his children are part of a visionary project. Meanwhile, the legal challenges and personal decisions, such as Vivian Jenna Wilson's name change, highlight the complex human dynamics within this extraordinary modern family structure. The continuous, rapid expansion of the Musk dynasty ensures that the question of "how many kids does Elon Musk have?" remains one of the most frequently updated and talked-about topics in celebrity and business news. As of late 2025, the number is 14, but given his stated goals, the world is constantly watching for the next announcement.

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