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Elon Musk Children: A Simple Guide to the Family Behind the Tech Icon

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2 months ago

December 10, 2025

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Table of Contents

Introduction — Elon Musk’s Growing Family Captivates the World

Elon Musk is a name the world knows well. He’s the mind behind Tesla, the voice of SpaceX, and a symbol of futuristic ambition. But beyond the rockets and robots, there’s another side of Musk that’s just as fascinating—his family life. In recent years, the number of Elon Musk children has become a trending topic in itself, not just because of how many he has, but because of the stories, mysteries, and media moments surrounding each of them. With 14 children from four different women, Musk’s family is anything but conventional. In this guide, we break down everything you need to know about Elon Musk’s children—from their names and birth stories to their unique personalities and public moments.

Quick Bio Information

Full Name: Elon Reeve Musk
Number Of Children: 14
First Child Born: Nevada Alexander Musk (2002)
Youngest Known Child: Seldon Lycurgus (born in or before 2025)
Mothers of Children: Justine Wilson, Grimes, Shivon Zilis, Ashley St. Clair
First Set of Twins: Vivian and Griffin Musk
First Set of Triplets: Kai, Saxon, and Damian Musk
Most Unusual Name: X Æ A-Xii
Children Born via Surrogacy: Exa Dark Sideræl
Children Conceived via IVF: Vivian, Griffin, Kai, Saxon, Damian
Publicly Revealed Through Court Docs: Strider and Azure

How Many Children Does Elon Musk Have?

As of 2025, Elon Musk has 14 known children with four different women. His journey into fatherhood began in 2002 and has continued steadily across two decades. From tragic beginnings to viral baby names and surprising family revelations, each child adds a new layer to Musk’s story. Some of his kids live private lives, while others have made headlines of their own. They include twins, triplets, babies born via IVF and surrogacy, and even children whose existence was revealed only through court documents or media investigations. Each of Musk’s children has a distinct background and story, reflecting the complex, high-profile life their father leads.

The First Chapter: Justine Wilson and the Early Years

Elon Musk’s first wife, Canadian author Justine Wilson, shares six children with him. The couple married in 2000 and welcomed their first son, Nevada Alexander Musk, in 2002. Tragically, Nevada died at just 10 weeks old due to Sudden Infant Death Syndrome (SIDS). The loss deeply affected the couple and shaped their decisions moving forward. In the years that followed, they turned to IVF and had twins—Vivian and Griffin—in 2004, and triplets—Kai, Saxon, and Damian—in 2006. Musk and Wilson divorced in 2008 but shared custody of their children. Justine has been candid in her writings about parenting, grief, and co-parenting with Musk, helping to shed light on the early part of his family journey.

Nevada Alexander Musk — A Tragic Beginning

Nevada Alexander was Elon Musk’s first child. Born in 2002, he passed away from SIDS just 10 weeks after his birth. This loss, though rarely discussed by Musk himself, was publicly shared by Justine Wilson in essays that conveyed the depth of her grief and how it shaped her view on family. Nevada’s death marked a turning point for the couple, pushing them toward assisted reproductive technology in hopes of growing their family. Though Nevada is no longer here, his presence and story remain a part of Musk’s broader family narrative.

Vivian Jenna Wilson and Griffin Musk — The Twins Who Took Different Paths

Vivian and Griffin were born in 2004. They are Musk’s oldest living children and were conceived through IVF. Vivian, originally named Xavier, came out as transgender in 2022 and legally changed her name to Vivian Jenna Wilson, adopting her mother’s surname. In a public statement, she also asked the court to sever legal ties to her father, citing personal reasons and a desire to disconnect completely. Vivian has since spoken out in interviews, sharing her own experiences growing up with Musk. Griffin, by contrast, has remained out of the spotlight, only occasionally appearing in public with his father. The contrast between these twins’ public choices offers a glimpse into the complexity of Musk’s relationship with his older children.

The Triplets: Kai, Saxon, and Damian Musk

In 2006, Musk and Wilson had triplet boys—Kai, Saxon, and Damian—again via IVF. The triplets have generally stayed out of the public eye, and little is known about their daily lives. However, author Walter Isaacson’s biography of Musk sheds a bit of light. Damian, for example, is portrayed as a gifted child with talents in music, mathematics, and physics. He became a vegetarian at age 8 and was praised by Musk’s own mother for his intelligence. Though not public figures themselves, the triplets represent a more private part of Musk’s family life—rooted in tradition, education, and privacy.

Elon Musk and Grimes: A New Era of Unconventional Parenting

Musk’s relationship with musician Grimes (Claire Boucher) introduced the public to a very different kind of family dynamic. Their union produced three children, each with names that sparked global headlines. Their first son, born in 2020, was named X Æ A-12, later legally modified to X Æ A-Xii. Two more children followed: daughter Exa Dark Sideræl (nicknamed “Y”), born via surrogate in 2021, and son Techno Mechanicus (nicknamed “Tau”), born in 2022 but only revealed in 2023. Grimes and Musk have had an on-and-off relationship, and while co-parenting appears to be the current model, Grimes has occasionally voiced concerns about privacy and boundaries—particularly around Musk’s public appearances with their children.

X Æ A-Xii, Exa Dark Sideræl, and Techno Mechanicus

These three children may have the most unique names in modern celebrity culture. X Æ A-Xii, often called “X,” has already appeared at high-profile events like political conferences and even the White House. His love of space mirrors his father’s, and Grimes has noted how deeply interested he is in rockets and technology. Exa, or “Y,” was born quietly and revealed later in an interview. Grimes described her as curious, imaginative, and drawn to industrial themes. Techno Mechanicus, known as “Tau,” was revealed through Musk’s biography and is described as intensely observant, even “Vulcan-like.” Grimes has chosen to keep Tau largely out of the public eye, emphasizing her children’s need for privacy despite their famous lineage.

The Secret Twins With Shivon Zilis: Strider and Azure

In 2021, Musk secretly welcomed twins with Shivon Zilis, an executive at his brain-tech company Neuralink. Their births only became public after court documents were uncovered by journalists. The twins, Strider and Azure, were born just weeks before Musk and Grimes welcomed Exa. The parents later requested their children’s surnames reflect both mother and father, which added to the public’s fascination with how Musk manages such a complex family network. Zilis has since embraced motherhood publicly and is now known to have had four children with Musk, making her the second-largest co-parent in Musk’s life after Justine Wilson.

Arcadia and Seldon Lycurgus: Expanding the Zilis Line

Zilis and Musk’s family grew again with the birth of daughter Arcadia in February 2024, followed by son Seldon Lycurgus, whose birthdate remains undisclosed. These additions were confirmed by Zilis herself via social media. The names, as with many of Musk’s children, are symbolic: Arcadia refers to an idyllic land, possibly with nods to Mars (a planet Musk hopes to colonize), while Seldon is likely a reference to Isaac Asimov’s science fiction character Hari Seldon. Zilis described Seldon as “built like a juggernaut with a solid heart of gold,” adding a personal and affectionate tone that contrasted with the secretive way their family began.

Romulus and Ashley St. Clair: The Most Recent Revelation

The latest addition to Musk’s public family is Romulus, born in September 2024 to conservative influencer and author Ashley St. Clair. The existence of the child was revealed months later by St. Clair herself, after she claimed the press was preparing to release the information. She emphasized her desire to protect her child’s privacy but confirmed Musk as the father. The situation quickly turned into a media firestorm when Musk denied certainty about paternity, only for a lab test to confirm with 99.9999% probability that he was indeed the father. Since then, both parties have traded online comments, with St. Clair accusing Musk of withholding financial support in retaliation for her independence.

Parenting Philosophy, Public Comments, and Controversy

Musk has frequently commented that he believes population decline is a major threat to civilization and has openly framed his large family as part of his solution. However, his parenting style and availability have been publicly questioned, particularly by daughter Vivian, who criticized his lack of presence during her childhood. Musk has said he maintains “great relationships with all the others,” though not with Vivian. He has brought his children, especially X, to major public events, stirring conversations around boundaries, privacy, and the influence of fame. While some mothers, like Grimes and Zilis, express affection for their children and complex respect for Musk, there is no doubt that his role as a father is under constant public scrutiny.

Final Thoughts On Elon Musk’s Family Life

Elon Musk’s family is as unconventional and headline-making as his business ventures. With 14 children, each carrying a distinct story and background, his role as a father is complex, controversial, and always evolving. From tragic loss and deep philosophical names to hidden births and legal feuds, Musk’s parenting journey reads like a multi-part saga. Whether praised for contributing to society’s birthrate or criticized for juggling too much across different families, one thing is clear: Musk’s children are a major part of his public identity. As they grow up under the spotlight, the world will continue to watch their journeys unfold—just as it does with their father’s ventures to Mars.

FAQs About Elon Musk Children

How Many Children Does Elon Musk Have in 2025?
As of 2025, Elon Musk has 14 known children with four different women.

Who Was Elon Musk’s First Child?
His first child was Nevada Alexander Musk, who sadly died at 10 weeks old in 2002.

Which Elon Musk Child Is Transgender?
Vivian Jenna Wilson, born as Xavier, legally changed her name and gender in 2022 and publicly cut ties with Musk.

Who Are Musk’s Children With Grimes?
Grimes and Musk share three children: X Æ A-Xii (X), Exa Dark Sideræl (Y), and Techno Mechanicus (Tau).

How Many Children Does Elon Musk Have With Shivon Zilis?
Shivon Zilis has four children with Musk: twins Strider and Azure, and younger children Arcadia and Seldon.

Who Is Romulus and Who Is His Mother?
Romulus is Elon Musk’s child with author Ashley St. Clair. His birth was confirmed in 2025.

Why Do Elon Musk’s Children Have Unusual Names?
Musk and some of his partners chose symbolic or futuristic names inspired by space, philosophy, science fiction, and advanced technology.