The Updated List Of Elon Musk's Sons: 7 Shockingly Unique Names And Their Secret Meanings (2025)

The names of Elon Musk's children have consistently captured global attention, often sounding more like cryptic codes or futuristic AI projects than traditional monikers. As of late 2024 and into early 2025, the number of children fathered by the Tesla and SpaceX CEO has reportedly reached 14, shared with four different partners, making his family life as complex and headline-grabbing as his business ventures. This article provides the most current and comprehensive breakdown of his sons' names, the mothers who share them, and the fascinating, often deep-cut references behind each unique choice.

The tech mogul’s dedication to unconventional naming conventions reflects his passion for science fiction, ancient history, and advanced technology. From the now-famous "X" to the newest additions with names straight out of Greek mythology and classic literature, understanding these names offers a rare glimpse into the mind of one of the world's most influential and private figures. This updated list reveals the full roster of his sons, focusing on the latest additions that have recently made news.

The Complete Biography of Elon Musk's Children (Updated 2025)

Elon Musk's journey into fatherhood began in the early 2000s and has continued through recent years, with the latest reported births in 2024. His children are shared with four partners: his first wife, Canadian author Justine Wilson; musician and artist Grimes (Claire Boucher); Neuralink executive Shivon Zilis; and conservative commentator Ashley St. Clair. This section details the profile of the children, specifically focusing on the sons and their unique identities.

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• Total Reported Children: 14 (as of early 2025).
• Partners: Justine Wilson, Grimes, Shivon Zilis, and Ashley St. Clair.
• First Child: Nevada Alexander Musk (deceased at 10 weeks in 2002).
• Children with Justine Wilson (5): Griffin, Vivian Jenna (formerly Xavier), Kai, Saxon, and Damian (two sets of twins and a set of triplets).
• Children with Grimes (3): X Æ A-Xii (X), Exa Dark Sideræl (Y), and Techno Mechanicus (Tau).
• Children with Shivon Zilis (4): Strider (twin), Azure (twin), Arcadia, and Seldon Lycurgus.
• Child with Ashley St. Clair (1): Romulus.
• Notable Name Change: Xavier Musk legally changed her name to Vivian Jenna Wilson, adopting her mother's maiden name.

Decoding the Most Controversial Sons' Names

The names of Musk's sons are a masterclass in blending technology, pop culture, and ancient references. While some, like Griffin, Saxon, Kai, and Damian, are relatively conventional, the names of his younger sons are designed to push boundaries and spark global conversations about naming conventions in the digital age. These unconventional names are a hallmark of the Musk-Grimes and Musk-Zilis partnerships.

1. X Æ A-Xii (The Unknown Variable)

The son of Elon Musk and Grimes, born in May 2020, was originally named X Æ A-12, but the name was later adjusted to X Æ A-Xii to comply with California state law, which prohibits numbers in a name.

• The Meaning: Grimes, whose real name is Claire Boucher, has publicly explained the complex meaning behind the name.
  • X: Represents "the unknown variable."
  • Æ: Is the "elven spelling" of AI, which stands for both "love" and "Artificial Intelligence."
  • A-Xii: Refers to the "Archangel 12," the internal name for the Lockheed A-12 reconnaissance aircraft, which they call their favorite plane because it is "great, no weapons, just speed."
• Nickname: The child is most commonly referred to by the simple moniker "X."
• Topical Authority: This name is a perfect example of LSI keywords like futurism, aerospace technology, and artificial intelligence woven into a personal context.

2. Strider (The Lord of the Rings Reference)

Born in November 2021, Strider Musk is one of the boy-girl twins shared with Neuralink executive Shivon Zilis. Unlike the technological focus of the Grimes names, the Zilis children’s names often draw inspiration from mythology and literature.

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• The Meaning: Strider is a powerful, adventurous name. It is widely reported to be a direct reference to the alias of Aragorn, a key character in J.R.R. Tolkien's epic fantasy series, *The Lord of the Rings*. The name evokes themes of exploration, endurance, and a hidden, powerful identity, resonating with Musk's own ventures.
• The Twin: His twin sister is named Azure, a name that evokes the blue color of the sky and sea, maintaining a unique, nature-inspired theme.
• Topical Authority: This name connects to fantasy literature, Tolkien mythology, and the concept of adventure.

3. Seldon Lycurgus (The Sci-Fi and Ancient Greek Blend)

One of the most recent additions to the Musk family, Seldon Lycurgus, was born to Shivon Zilis. The name, revealed in late 2024, is arguably the most scholarly and complex of all, combining two distinct, highly intellectual references.

• Seldon: This half of the name is a nod to Hari Seldon, a fictional mathematician and the creator of 'psychohistory' in Isaac Asimov's seminal *Foundation* science fiction series. The character is a visionary who can predict the future on a galactic scale, a concept that aligns perfectly with Musk's long-term, visionary goals at SpaceX and Neuralink.
• Lycurgus: This reference is drawn from Ancient Greece. Lycurgus was the legendary lawgiver of Sparta, credited with establishing the militaristic and disciplined social structure of the Spartan state. This name reflects themes of order, discipline, and societal structure.
• Topical Authority: This name introduces entities like Isaac Asimov, Foundation series, psychohistory, Spartan history, and ancient legislators.

4. Romulus (The Founder of Rome)

The reported 14th child, a son named Romulus, was born to conservative commentator Ashley St. Clair in late 2024.

• The Meaning: The name Romulus comes from Roman mythology. He and his twin brother, Remus, are the legendary founders of the city of Rome. According to the myth, the twin brothers were abandoned as infants and nursed by a she-wolf before going on to found what would become one of the world's most enduring empires.
• Topical Authority: This name connects to Roman mythology, ancient history, and the theme of founding and creation, which is a core concept in all of Musk’s companies.

The Conventional and the Tragic: Musk's Older Sons

Before the era of cryptic names, Musk’s first five sons with Justine Wilson carried more traditional, albeit classic, names.

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The First-Born: Nevada Alexander Musk

Born in 2002, Nevada Alexander Musk was the first child of Elon Musk and Justine Wilson. Tragically, Nevada died of Sudden Infant Death Syndrome (SIDS) at just 10 weeks old. The name Nevada is of Spanish origin, meaning "snow-covered," and Alexander is a classic Greek name meaning "defender of the people."

The Quintuplets and Twins

Following Nevada's death, the couple used IVF to welcome twins and then triplets.

• Griffin Musk: Born in 2004, Griffin is one of the first set of twins. The name is a mythical creature, a blend of an eagle and a lion, symbolizing strength and courage.
• Kai, Saxon, and Damian Musk: Born in 2006, these triplets carry classic, strong names. Kai is a name with multiple origins (Hawaiian for "sea," Greek for "rejoice"), while Saxon and Damian are names with Germanic and Greek roots, respectively.

The Changing Identity: From Xavier to Vivian Jenna Wilson

It is crucial to note the name of Musk’s child who was born a son but has since transitioned. Born Xavier Musk, the child filed a petition to legally change her name and gender identity in 2022. She is now known as Vivian Jenna Wilson, adopting her mother’s maiden name and publicly distancing herself from her father. This name change is a significant public event, highlighting personal identity and family dynamics within the Musk family. The name Vivian is of Latin origin, meaning "life."

The ever-expanding and uniquely named family of Elon Musk is a continual source of fascination. Each name—from the technological enigma of X Æ A-Xii to the mythological weight of Romulus and Seldon Lycurgus—serves as a mini-manifesto, reflecting the CEO's personal obsessions with space, science fiction, and the building of new civilizations. The recent additions in 2024 ensure that the spotlight on the "Musk-eteers" will continue to shine brightly into the future.