💫 Elon Musk doesn’t do ordinary—and that extends to naming his children. The Tesla and SpaceX CEO has built a reputation for giving his kids names that sound like they came straight from a sci-fi novel or a fantasy video game. From X Æ A-Xii to Techno Mechanicus, each name tells a story rooted in science fiction, gaming, mythology, or physics .
With a growing family of 14 children from four different mothers, Musk has created perhaps the most unconventional collection of baby names in celebrity history . This guide breaks down every Elon Musk baby name, explaining the fascinating inspirations behind each one. 🧬🔭
👨👩👦 Elon Musk Baby Names with First Wife Justine Wilson (6 Children)
Elon Musk married Canadian author Justine Wilson in 2000. After the tragic loss of their first child, they welcomed five more children through IVF .
Nevada Alexander Musk (2002) 💔
The firstborn Elon Musk baby name was Nevada Alexander. Tragically, he passed away at just 10 weeks old due to sudden infant death syndrome (SIDS) . His parents made the difficult decision to take him off life support after three days on a ventilator .
Griffin Musk and Vivian Jenna Wilson (2004) 👦👧
Following their loss, Musk and Wilson turned to IVF and welcomed twins :
- Griffin Musk
- Vivian Jenna Wilson (born Xavier Alexander Musk, legally changed her name and gender in 2022)
Kai, Saxon, and Damian Musk (2006) 👦👦👦
In 2006, the couple had triplet boys via IVF :
- Kai Musk
- Saxon Musk
- Damian Musk
🎸 Elon Musk Baby Names with Grimes (3 Children)
Musk began dating musician Grimes in 2018. Their three children have some of the most talked-about Elon Musk baby names ever .
X Æ A-Xii Musk (2020) 🚀
Perhaps the most famous Elon Musk baby name, X Æ A-Xii (pronounced “Ex Ash A Twelve”) was originally submitted as X Æ A-12 but had to be modified to meet California’s legal naming requirements .
Grimes explained the meaning behind each element :
- X — “the unknown variable”
- Æ — “my elven spelling of Ai (love &/or Artificial intelligence)”
- A-12 — “precursor to SR-17 (our favorite aircraft)” known for speed and being non-violent
Exa Dark Sideræl Musk (2021) 🌌
Born via surrogate in December 2021, Exa Dark Sideræl (nicknamed Y) continues the futuristic theme .
Grimes broke down the meaning :
- Exa — “reference to the supercomputing term exaFLOPS”
- Dark — “the unknown… Dark matter is the beautiful mystery of our universe”
- Sideræl (pronounced “sigh-deer-ee-el”) — “the true time of the universe, star time” and a nod to her favorite Lord of the Rings character Galadriel
Techno Mechanicus Musk (2022) ⚙️
The third Elon Musk baby name with Grimes is Techno Mechanicus (nicknamed Tau), born in June 2022. The name was revealed in Walter Isaacson’s biography of Musk .
🧠 Elon Musk Baby Names with Shivon Zilis (4 Children)
Musk secretly fathered twins with Neuralink executive Shivon Zilis in November 2021, followed by two more children .
Strider Sekhar Sirius and Comet Azure Astra (2021) ⚔️🌠
In January 2026, Musk revealed the full names of his twins :
Strider Sekhar Sirius — named after:
- Strider — the alias used by Aragorn in J.R.R. Tolkien’s The Lord of the Rings
- Sekhar — honors Indian Nobel laureate physicist Subrahmanyan Chandrasekhar
Comet Azure Astra — inspired by:
- Comet Azur — described by Musk as “the most powerful spell” in the fantasy video game Elden Ring
Interestingly, Zilis has Indian heritage through her Punjabi mother, making the children half-Indian .
Arcadia Musk (2024) 🏛️
Arcadia arrived in February 2024, joining her older twin siblings .
Seldon Lycurgus Musk (2025) 📚
Born in March 2025, this Elon Musk baby name combines two intellectual references :
- Seldon — from Isaac Asimov’s Foundation series (character Hari Seldon)
- Lycurgus — after the ancient Spartan lawgiver
📰 Elon Musk Baby Names with Ashley St. Clair (1 Child)
Romulus (2024) 🏛️
In February 2025, author Ashley St. Clair revealed that Musk fathered her child, named Romulus . The name references the legendary founder of Rome, who, according to myth, killed his twin brother Remus .
📊 Quick Reference: All Elon Musk Baby Names 📋
Child NameYearMotherNevada Alexander 💔2002Justine WilsonGriffin Musk2004Justine WilsonVivian Jenna Wilson2004Justine WilsonKai Musk2006Justine WilsonSaxon Musk2006Justine WilsonDamian Musk2006Justine WilsonX Æ A-Xii 🚀2020GrimesStrider Sekhar Sirius ⚔️2021Shivon ZilisComet Azure Astra 🌠2021Shivon ZilisExa Dark Sideræl 🌌2021GrimesTechno Mechanicus ⚙️2022GrimesArcadia 🏛️2024Shivon ZilisRomulus 📰2024Ashley St. ClairSeldon Lycurgus 📚2025Shivon Zilis
🔍 What Do Elon Musk Baby Names Reveal About Him?
Looking at every Elon Musk baby name, a clear pattern emerges. He consistently draws inspiration from four main sources :
Sci-Fi and Fantasy 🧙
- The Lord of the Rings (Strider)
- Elden Ring (Azure)
- Asimov’s Foundation series (Seldon)
Science and Physics 🔭
- Subrahmanyan Chandrasekhar (Sekhar)
- Supercomputing terminology (Exa)
Technology and Gaming 🎮
- Aircraft models (A-12)
- Video game spells and mechanics
Classical History and Mythology 🏛️
- Roman mythology (Romulus)
- Spartan lawgiver (Lycurgus)
FAQs
How many children does Elon Musk have?
Elon Musk has 14 children with four different women: Justine Wilson (6), Grimes (3), Shivon Zilis (4), and Ashley St. Clair (1) .
What is the most unusual Elon Musk baby name?
X Æ A-Xii is widely considered the most unusual Elon Musk baby name. The original spelling X Æ A-12 had to be changed to comply with California birth registration laws .
What do Elon Musk baby names mean?
Most Elon Musk baby names blend references from science fiction, fantasy literature, video games, and physics. For example, Strider references Aragorn from Lord of the Rings, while Azure comes from an Elden Ring spell .
Why does Elon Musk choose such unusual baby names?
Musk’s naming choices reflect his interests in science, technology, and pop culture. He often combines multiple influences—fiction and science, fantasy and physics—into single names .
Who is the mother of Elon Musk’s twins Strider and Azure?
Shivon Zilis, an executive at Neuralink, is the mother of twins Strider Sekhar Sirius and Comet Azure Astra. They also share two more children: Arcadia and Seldon Lycurgus .
Conclusion
From the groundbreaking X Æ A-Xii to the fantasy-inspired Strider and Azure, Elon Musk baby names are anything but conventional. They offer a fascinating glimpse into the billionaire’s mind—where science fiction meets cutting-edge physics, and video games collide with ancient mythology .
Whether you find them brilliant, bewildering, or both, there’s no denying that these names are unforgettable. Musk has created a naming legacy as bold and unconventional as his public persona. Each child carries a name that tells a story, and each story is uniquely Elon Musk.
Jack Sullivan is a passionate writer and content creator who loves exploring unique names, creative ideas, and interesting stories. He creates engaging, helpful, and easy-to-read content for NameZeria.com.
