Elon Musk has 14 children with four women. Their names include Nevada Alexander, Griffin, Vivian, Kai, Saxon, Damian, X Æ A-Xii, Strider, Azure, Exa Dark Sideræl, Techno Mechanicus, Arcadia, Romulus, and Seldon Lycurgus.
Elon Musk’s Children: The Complete List
Elon Musk has 14 known children from four relationships . Here is the complete list of Elon Musk’s kids names:
| Child | Year Born | Mother | Nickname |
|---|---|---|---|
| Nevada Alexander | 2002 | Justine Wilson | |
| Griffin | 2004 | Justine Wilson | |
| Vivian Jenna Wilson | 2004 | Justine Wilson | Formerly Xavier |
| Kai | 2006 | Justine Wilson | |
| Saxon | 2006 | Justine Wilson | |
| Damian | 2006 | Justine Wilson | |
| X Æ A-Xii | 2020 | Grimes | X |
| Strider | 2021 | Shivon Zilis | |
| Azure | 2021 | Shivon Zilis | |
| Exa Dark Sideræl | 2021 | Grimes | Y |
| Techno Mechanicus | 2022 | Grimes | Tau |
| Arcadia | 2024 | Shivon Zilis | |
| Romulus | 2024 | Ashley St. Clair | |
| Seldon Lycurgus | 2025 | Shivon Zilis |
The Children: Stories Behind the Names
Nevada Alexander Musk (2002-2002)
Meaning: “Snow-capped” (Nevada) + “Defender of men” (Alexander)
Origin: Nevada is a Spanish word meaning “snow-capped,” while Alexander is Greek.
Nevada was Elon Musk’s firstborn child with his first wife, Justine Wilson. Tragically, he passed away at just 10 weeks old from sudden infant death syndrome (SIDS) . His death deeply affected Musk and his family.
Emotional Appeal: A heartbreaking reminder of loss and resilience.
Griffin Musk (2004)
Meaning: “Strong lord” or “Fierce lord” (Welsh)
Origin: Welsh, derived from the name Griffith.
Griffin is one of the twins born to Musk and Justine Wilson. He is one of the children who have largely remained out of the public eye.
Style: Classic, Strong, Welsh
Similar Names: Griff, Griffith, Griffin
Vivian Jenna Wilson (2004)
Meaning: “Alive” (Vivian) + “White wave” (Jenna) + “Son of Will” (Wilson)
Origin: Vivian is Latin, Jenna is English, Wilson is English.
Vivian was born as Xavier Alexander Musk . In 2022, she came out as transgender and legally changed her name to Vivian Jenna Wilson, choosing to distance herself from her father’s last name .
Style: Modern, Bold, Individualistic
Kai Musk (2006)
Meaning: “Sea” (Hawaiian) or “Warrior” (Nordic)
Origin: Hawaiian or Nordic depending on interpretation.
Kai is one of the triplets born to Musk and Justine Wilson. He has remained out of the public eye.
Style: Short, Strong, Modern
Similar Names: Kye, Kay, Kaia
Saxon Musk (2006)
Meaning: “Sword” or “From Saxony” (English)
Origin: English, referring to the Saxon people.
Saxon is one of the triplets born to Musk and Justine Wilson.
Style: Strong, Historical, Unique
Similar Names: Sax, Saxton, Saxon
Damian Musk (2006)
Meaning: “To tame” or “Subdue” (Greek)
Origin: Greek, derived from Damianos.
Damian is one of the triplets born to Musk and Justine Wilson. He has excelled in classical music, mathematics, and physics .
Style: Classic, Strong, Intellectual
Similar Names: Damien, Damon, Demian
X Æ A-Xii Musk (2020)
Meaning: A combination of letters and numbers
Origin: Invented by Musk and Grimes.
This is perhaps the most famous of Elon Musk’s kids names. Originally announced as X Æ A-12, it was later changed to X Æ A-Xii due to California laws restricting special characters .
Pronunciation: “X Ash A Twelve”
Why This Name: The “X” represents the unknown variable. “Æ” is the elven spelling of AI (love/artificial intelligence). “A-12” was a reference to the SR-71 Blackbird spy plane .
Nickname: X
Style: Futuristic, Unique, Inventive
Strider Musk (2021)
Meaning: “One who strides” (English)
Origin: English, from the Lord of the Rings character Aragorn, also known as Strider.
Strider is one of the twins born to Shivon Zilis. Musk named him after the character from The Lord of the Rings .
Why This Name: The “Strider” part comes from J.R.R. Tolkien’s The Lord of the Rings .
Style: Fantasy, Strong, Epic
Similar Names: Stryder, Rider
Azure Musk (2021)
Meaning: “Bright blue color” (English)
Origin: English, derived from the Arabic word “lazaward” meaning lapis lazuli.
Azure is one of the twins born to Shivon Zilis.
Why This Name: “Comet Azure” is named after the most powerful spell in the video game Elden Ring .
Style: Magical, Unique, Cosmic
Similar Names: Azura, Azul, Sky
Exa Dark Sideræl Musk (2021)
Meaning: “Exa” refers to an exaflop, “Dark” is for mystery, “Sideræl” means “starry” or “celestial”
Origin: Invented by Musk and Grimes.
Exa Dark Sideræl is Musk’s daughter with Grimes, born via surrogate in December 2021 .
Pronunciation: “Exa Dark Sid-ree-el”
Why This Name: “Exa” is a computing term. “Dark” refers to dark matter. “Sideræl” is a variation of “sidereal,” meaning relating to the stars .
Style: Mystical, Cosmic, Unique
Techno Mechanicus Musk (2022)
Meaning: “Technology” + “Mechanic” (Greek/Latin)
Origin: Invented by Musk and Grimes.
Techno Mechanicus is Musk’s third child with Grimes, born in June 2022 .
Why This Name: It reflects Musk’s love for technology and mechanics. “Tau” is a mathematical constant .
Style: Technological, Unique, Inventive
Arcadia Musk (2024)
Meaning: “A pastoral paradise” (Greek)
Origin: Greek, from Arcadia, a region of ancient Greece known for its unspoiled wilderness.
Arcadia is Musk’s third child with Shivon Zilis, born in 2024 .
Style: Elegant, Mythological, Natural
Similar Names: Arcadia, Arcade, Arcadia
Romulus (2024)
Meaning: “Of Rome” (Latin)
Origin: Latin, from the mythical founder of Rome.
Romulus is Musk’s child with author Ashley St. Clair, born in 2024 . The paternity is part of a public custody dispute .
Style: Mythological, Strong, Imperial
Similar Names: Remus, Roman, Rome
Seldon Lycurgus (2025)
Meaning: “Willow valley” (Seldon) + “Wolf-work” (Lycurgus)
Origin: English and Greek.
Seldon Lycurgus is Musk’s fourth child with Shivon Zilis, born in 2025 .
Why This Name: Seldon may be inspired by Hari Seldon, the mathematician from Isaac Asimov’s Foundation series. Lycurgus was a legendary lawgiver of Sparta.
Style: Literary, Historical, Intellectual
How Elon Musk Chooses Names
Musk’s naming choices reflect his passions:
Science Fiction: Strider (Lord of the Rings), Seldon (Foundation series)
Science and Technology: Exa Dark (computing, space), Techno Mechanicus, X (AI)
Mathematics: X (the unknown), Tau (mathematical constant)
Mythology: Arcadia, Romulus, Lycurgus
Quick Comparison Table
| Name | Meaning | Style | Mother |
|---|---|---|---|
| X Æ A-Xii | Unknown variable + AI + Spy plane | Futuristic | Grimes |
| Techno Mechanicus | Technology + Mechanic | Technological | Grimes |
| Strider | One who strides | Fantasy | Shivon Zilis |
| Azure | Bright blue | Cosmic | Shivon Zilis |
| Seldon | Willow valley | Literary | Shivon Zilis |
| Romulus | Of Rome | Mythological | Ashley St. Clair |
Frequently Asked Questions
What are Elon Musk’s kids’ names?
Elon Musk’s kids’ names include Nevada Alexander, Griffin, Vivian, Kai, Saxon, Damian, X Æ A-Xii, Strider, Azure, Exa Dark Sideræl, Techno Mechanicus, Arcadia, Romulus, and Seldon Lycurgus.
How many children does Elon Musk have?
Elon Musk has 14 known children from four relationships .
What is X Æ A-Xii’s real name?
X Æ A-Xii’s real name is X Æ A-Xii Musk. He was originally named X Æ A-12 but changed due to California law .
How do you pronounce X Æ A-Xii?
X Æ A-Xii is pronounced “X Ash A Twelve” .
What is the name of Elon Musk’s daughter with Grimes?
Musk’s daughter with Grimes is Exa Dark Sideræl, nicknamed “Y” .
What is Techno Mechanicus?
Techno Mechanicus is Musk’s third child with Grimes, nicknamed “Tau” .
Conclusion
What are Elon Musk’s kids names? From the tragic Nevada Alexander to the futuristic X Æ A-Xii, Musk’s children have names that reflect his unique personality, passions, and vision for the future.
Whether inspired by science fiction, mathematics, or mythology, each name tells a story. They’re unconventional, thought-provoking, and unmistakably Musk.
While the world may scratch its head at names like Techno Mechanicus, there’s no denying that these children will grow up with names as extraordinary as their father’s ambitions.
Which Elon Musk kid name is your favorite? Share your thoughts in the comments below!
Mia Kensington is a name and nickname enthusiast at NicknameCorner.com, she writes helpful guides on cute nicknames, baby names, usernames and creative name ideas, making it easier for readers to find names that feel unique, meaningful and memorable.
