The 14 'Musketeers': A Deep Dive Into Elon Musk's Children, Their Unique Names, And The Four Mothers
The family life of the world's wealthiest man, Elon Musk, has become as much a topic of global fascination as his ventures into space and electric vehicles. As of December 2025, the tech mogul is the father of a publicly confirmed 14 children with four different women, a number that continues to grow and capture headlines. This extensive family, which Musk has frequently spoken about in the context of global birth rates, spans two decades and features some of the most unique names in modern celebrity culture, reflecting his deep interest in science fiction, philosophy, and technology.
The most recent updates, confirmed in early 2025, include the birth of a child with conservative journalist Ashley St. Clair and the fourth child with Neuralink executive Shivon Zilis, Seldon Lycurgus. This complete, updated guide provides a chronological look at the entire 'Musketeer' cohort, detailing the names, ages, and the mothers who share the responsibility of raising the next generation of the Musk dynasty.
Elon Musk's Complete Family Profile (The 14 Children)
Elon Musk has fathered 14 children with four women: Justine Wilson, the musician Grimes, Neuralink executive Shivon Zilis, and conservative journalist Ashley St. Clair. His first son tragically passed away, leaving 13 living children.
- Full Name: Elon Reeve Musk
- Born: June 28, 1971 (Age 54 as of late 2025)
- Occupations: CEO of Tesla, CEO/CTO of SpaceX, Owner/CTO of X (formerly Twitter), Founder of The Boring Company, Co-founder of Neuralink, Co-founder of OpenAI.
- Number of Children: 14 (1 deceased, 13 living)
- Mothers of His Children:
- Justine Wilson (6 children, 5 living)
- Grimes (Claire Boucher) (3 children)
- Shivon Zilis (4 children)
- Ashley St. Clair (1 child)
The First Generation: Children with Justine Wilson
Musk's first wife, Canadian author Justine Wilson, is the mother of his first six children. Their journey into parenthood began with tragedy, but they went on to have two sets of multiple births through in vitro fertilization (IVF). The couple was married from 2000 to 2008.
Nevada Alexander Musk (Deceased)
Nevada was Musk’s firstborn son, welcomed in 2002. Tragically, Nevada passed away from Sudden Infant Death Syndrome (SIDS) at just 10 weeks old. This loss was a profound event in Musk's life, and he and Wilson chose to use IVF to continue building their family shortly after.
Twins: Griffin and Vivian Jenna Wilson (Born 2004)
Two years after Nevada's death, Justine Wilson gave birth to twin sons, Griffin and Vivian, via IVF. Vivian, who was formerly named Xavier, publicly changed her name and gender identity upon turning 18, choosing to adopt her mother's maiden name, Wilson, and severing ties with her father's surname. This decision brought a rare moment of public insight into the private lives of Musk's older children.
Triplets: Kai, Saxon, and Damian Musk (Born 2006)
The couple expanded their family once more with the birth of triplets, Kai, Saxon, and Damian, also conceived via IVF. All five of the living children from his first marriage are now young adults, navigating their early twenties and maintaining a relatively low profile compared to their younger, uniquely named half-siblings.
The Experimental Names: Children with Grimes
Musk’s relationship with Canadian musician Grimes (Claire Boucher) was characterized by their shared interest in technology, philosophy, and an avant-garde approach to life. Their three children are known for having some of the most unconventional names in the world, often drawing inspiration from mathematics, aerospace, and dark matter.
X Æ A-12 Musk (X)
Born in May 2020, X Æ A-12 (pronounced "X Ash A Twelve") quickly became a global phenomenon due to its unique spelling. The name is a nod to the Lockheed SR-71 Blackbird (A-12) and the mathematical variable X, with the Æ representing the Elven spelling of AI (artificial intelligence) or 'love'. He is typically referred to by the nickname 'X'.
Exa Dark Sideræl Musk (Y)
In December 2021, the couple secretly welcomed a daughter via surrogate, whose name is Exa Dark Sideræl, often shortened to 'Y'. 'Exa' refers to the supercomputing term exaFLOPS, 'Dark' refers to dark matter and the unknown, and 'Sideræl' is a more Elven spelling of sidereal, meaning related to the stars. The secrecy surrounding her birth was a notable event at the time, only revealed months later.
Techno Mechanicus Musk (Tau)
The third child with Grimes, Techno Mechanicus, or 'Tau', was revealed in September 2023. While less is known about the exact circumstances of his birth, the name continues the theme of deep technological and scientific references. The co-parenting relationship between Grimes and Musk has been subject to intense media scrutiny, with Grimes recently speaking out on social media about the challenges of their arrangement, including claims of being blocked by Musk on his platform X.
The Neuralink Family: Children with Shivon Zilis
Shivon Zilis, a high-ranking executive at Musk’s brain-chip company, Neuralink, is the mother of four of his children. Their relationship came to light in 2022 after court documents revealed the birth of their first two children together. Zilis and Musk have openly stated their goal is to help address the issue of underpopulation, which Musk views as a major threat to civilization.
Twins: Strider and Azure Musk (Born 2021)
Zilis gave birth to boy-girl twins, Strider and Azure, in November 2021, just weeks before Exa Dark Sideræl was born to Grimes. The timing highlighted Musk's concurrent family planning with two different women, sparking significant public conversation about his personal life and views on procreation.
Arcadia Musk (Born 2024)
In early 2024, Zilis and Musk welcomed their third child, a daughter named Arcadia. The name is a classical reference to an idealized, rustic, and harmonious wilderness, suggesting a blend of literary and philosophical influence in their naming convention.
Seldon Lycurgus Musk (Born 2025)
The latest confirmed addition to the Zilis-Musk family is Seldon Lycurgus, a son born in 2025. The name Seldon is a clear homage to Hari Seldon, a central character in Isaac Asimov's *Foundation* series, a work Musk has frequently referenced. Lycurgus is a reference to the legendary Spartan lawgiver, continuing the pattern of unique, historically, and scientifically significant monikers.
The Unrevealed: Child with Ashley St. Clair
In a significant development in early 2025, conservative journalist and political commentator Ashley St. Clair confirmed she had given birth to a child fathered by Elon Musk in September 2024. The name of this child has not yet been publicly revealed, adding an element of mystery to the ever-expanding Musk family tree. St. Clair's confirmation, coming months after the birth, underscores the continued pattern of privacy surrounding the arrival of Musk's children.
The Philosophy Behind the Prolific Parenthood
Elon Musk's large family is not merely a personal choice; it is tied directly to his public philosophy on population decline. Musk has repeatedly voiced concern over what he calls the "underpopulation crisis," arguing that low birth rates pose a greater threat to humanity than global warming. He views having many children, particularly for "smart people," as a moral imperative to ensure the continuation and advancement of civilization. His actions, therefore, are seen by many as a direct implementation of his public advocacy.
The sheer number of children, the complex co-parenting arrangements, and the unique names have made the Musk family a case study in modern celebrity fatherhood. From the conventional names of his eldest children with Justine Wilson to the highly conceptual names shared with Grimes and the classical/sci-fi names with Shivon Zilis, each child represents a chapter in the life of the world's most influential, and arguably most prolific, entrepreneur. The ongoing developments, such as the new child with Ashley St. Clair, ensure that the story of the 'Musketeers' remains one of the most followed and discussed topics in the media landscape.
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