Elon Musk Children: Names, Stories, and the Complex Family of the Billionaire

When people hear the name Elon Musk, they immediately think of rockets, electric cars, artificial intelligence, and social media disruption. But beyond his groundbreaking ventures in technology and business, Musk’s personal life is just as fascinating—and often surprising. The topic of Elon Musk children has captivated the public, not only because of their unusual names but also because of the complex family dynamics surrounding them.

Musk is known for saying that humanity should expand and multiply to survive, and he has lived by that philosophy, fathering a large number of children with different partners. As of 2025, Musk is publicly known to have at least 14 children, though the number has been the subject of debate due to secrecy and private announcements. Their names, ranging from the traditional to the futuristic, have made headlines around the globe.

This article takes a deep dive into the lives, names, and stories of Elon Musk children, tracing their family background, relationships, and the significance of their unique identities.

The First Tragedy: Nevada Alexander Musk

The story of Elon Musk children begins in 2002 with the birth of Musk’s first child, Nevada Alexander Musk, with his then-wife Justine Wilson. Nevada tragically passed away at just 10 weeks old due to sudden infant death syndrome (SIDS). This heartbreaking loss deeply affected Musk and Justine, shaping their future journey as parents.

Twins With Justine Wilson: Griffin and Vivian

In 2004, Musk and Justine welcomed twins through in vitro fertilization (IVF). Their names are Griffin Musk and Vivian Jenna Wilson (originally named Xavier Musk).

Vivian’s story stands out because in 2022 she legally changed her name and gender, choosing to take her mother’s last name, Wilson, and publicly declaring she no longer wanted ties with Elon Musk. Her decision drew wide media coverage and sparked conversations about personal identity and family relationships.

Griffin, on the other hand, has largely stayed out of the spotlight, living a quieter life compared to his father’s fame.

The Triplets: Kai, Saxon, and Damian Musk

Two years later, in 2006, Elon and Justine had triplets—Kai, Saxon, and Damian Musk—also via IVF. The three brothers share a close bond and have occasionally been spotted in public alongside their father.

Not much is publicly known about their personal lives, as Elon has generally tried to keep his children’s upbringing private, though they have sometimes appeared at Tesla and SpaceX events.

Children With Musician Grimes

Perhaps the most high-profile chapter of Elon Musk children involves his relationship with Canadian musician Claire Boucher, better known as Grimes. Their relationship was highly publicized, and their children’s names became viral sensations.

X Æ A-XII Musk (X)

Born in May 2020, their son’s original name was X Æ A-12 Musk, but California law did not allow numbers in a legal name. The parents adjusted it slightly to X Æ A-XII. Known affectionately as X, this child became an internet sensation because of his unique name that Musk explained partly represented “the unknown variable” and a nod to the SR-71 aircraft.

Exa Dark Sideræl Musk (Y)

In December 2021, Musk and Grimes welcomed a daughter via surrogate, named Exa Dark Sideræl Musk, nicknamed Y. According to Grimes, “Exa” refers to computing terms, “Dark” symbolizes the unknown, and “Sideræl” refers to deep space time.

Techno Mechanicus Musk (Tau)

Later, news emerged of a third child with Grimes, named Techno Mechanicus Musk, nicknamed Tau. This revelation was kept private until it was disclosed in 2023 through Musk’s biography and later confirmed. The futuristic name again reflects Musk’s vision of blending humanity with technology.

The Shivon Zilis Connection

In 2021, Musk secretly welcomed twins with Shivon Zilis, a Neuralink executive. The news only became public later when court documents revealed their names.

• Strider Sekhar Sirius Musk

• Azure Astra Alice Musk

Both were born in November 2021. The choice of names again follows a celestial and futuristic theme, blending cosmic imagery with mythological references.

In 2024, Musk and Zilis welcomed another child named Arcadia Musk, and in early 2025, she announced the birth of another son named Seldon Lycurgus Musk, adding to the expanding list of Elon Musk children.

The Controversy Around Ashley St. Clair and “Romulus”

In 2025, influencer and author Ashley St. Clair revealed that she had a son named Romulus, claiming Musk was the father. Reports stated that DNA testing confirmed a 99.9999% probability, though Musk himself has not publicly confirmed this.

This revelation stirred debates online, with many speculating about Musk’s growing family and whether the billionaire is fully acknowledging all of his children. Whether or not Romulus is widely accepted as part of Musk’s family tree, the story underscores the complexity surrounding the personal life of Elon Musk.

Themes in Elon Musk Children’s Names

The most striking element of Elon Musk children is their names. Musk has often expressed his interest in science fiction, mythology, technology, and space exploration, which is evident in the naming choices:

• X Æ A-XII reflects algebra and aerospace references.

• Exa Dark Sideræl ties computing and deep space time.

• Techno Mechanicus sounds like something out of futuristic literature.

• Strider, Azure, Arcadia, and Seldon echo myth, nature, and science fiction influences.

Musk’s children’s names are not just identifiers—they are statements that reflect his personal worldview and futuristic aspirations.

Musk’s Parenting Style and Philosophy

While Elon Musk is often portrayed as a workaholic consumed by Tesla, SpaceX, Neuralink, and other ventures, he has repeatedly said that he values fatherhood. Musk once revealed that his children often accompany him at work, attending meetings or events, and that he wants them to learn directly from experience.

He has been quoted saying that having many children is a way to “secure the future of humanity,” echoing his concern about declining birth rates worldwide. Despite this, some of his relationships with his children—such as with Vivian—show that even the world’s richest man cannot avoid the complexities and struggles of family life.

Public Fascination With Elon Musk Children

The combination of Musk’s global fame, unusual parenting choices, and his children’s extraordinary names has made Elon Musk children a constant subject of curiosity. Media outlets cover each new birth, court document, or social media post with great attention, while fans speculate about how these children will grow up under the shadow of their father’s legacy.

The children are often shielded from the public eye, but given their father’s prominence, their futures will undoubtedly attract further attention. Some may choose quiet, private lives, while others may step into the world stage, influenced by technology, art, or entirely new paths.

Conclusion

The story of Elon Musk children is more than just a list of unusual names. It is a reflection of Musk’s personal philosophy, his relationships, and the challenges of balancing family with extraordinary ambition. From the heartbreaking loss of Nevada to the futuristic names of X, Y, and Tau, the narrative of Musk’s children is both deeply human and uniquely unconventional.

As the family continues to grow, the world will keep watching how these children shape their identities under the weight of their father’s colossal legacy. For more in-depth coverage of fascinating family stories and cultural insights, keep following The Globe Gist.

Q1: How many children does Elon Musk have?
As of 2025, Elon Musk is publicly known to have at least 14 children, though the exact number can vary due to secrecy and ongoing reports about new births or paternity.

Q2: What are the names of Elon Musk’s children?
Some of his children’s names include Nevada (deceased), Griffin, Vivian, Kai, Saxon, Damian, X Æ A-XII (X), Exa Dark Sideræl (Y), Techno Mechanicus (Tau), Strider, Azure, Arcadia, Seldon Lycurgus, and Romulus.

Q3: Who are the mothers of Elon Musk’s children?
Elon Musk’s children were born to Justine Wilson (his first wife), Canadian musician Grimes (Claire Boucher), Neuralink executive Shivon Zilis, and influencer Ashley St. Clair (as reported in 2025).

Q4: What happened to Elon Musk’s first child?
Elon Musk’s first son, Nevada Alexander, tragically died in 2002 at just 10 weeks old from sudden infant death syndrome (SIDS).

Q5: Why are Elon Musk’s children’s names unusual?
Many of Musk’s children’s names reflect his love for science fiction, technology, mythology, and space. Examples include X Æ A-XII (symbolizing the unknown and aircraft references) and Techno Mechanicus (a futuristic name).

Q6: Did one of Elon Musk’s children change their name?
Yes. Vivian Jenna Wilson (born Xavier) legally changed her name and gender in 2022, choosing her mother’s surname and distancing herself from Musk.

Q7: What are the nicknames of Elon Musk’s children with Grimes?

• X Æ A-XII is called X

• Exa Dark Sideræl is called Y

• Techno Mechanicus is called Tau

Q8: Are all of Elon Musk’s children publicly known?
Not always. Some births, such as those with Shivon Zilis or Grimes, were revealed later through court documents or media reports.

Q9: Does Elon Musk raise his children himself?
Musk has said he spends time with his children and often brings them to work, but due to his busy schedule, their upbringing also involves their mothers and private arrangements.

Q10: Why does Elon Musk want so many children?
Musk has expressed concern about declining birth rates and believes that having many children helps secure the future of humanity.

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