The Musk-eteers: A Complete, Updated List Of Elon Musk's 14 Children, Their Mothers, And Unconventional Names (2025)

Contents

Billionaire entrepreneur Elon Musk, the CEO of Tesla and SpaceX, has made headlines not just for his ventures into electric vehicles and space travel but also for his rapidly expanding family. As of December 2025, the tech mogul is the father of 14 children, a number that has sparked global conversation about his personal philosophy on population growth and the future of humanity. The sheer size and complexity of his family unit, spanning four different mothers, makes the "Musk-eteers" one of the most talked-about celebrity families in the world today.

The most recent additions to the Musk family were announced in early 2025, confirming his status as one of the most prolific fathers in the public eye. The children, whose ages range from infants to young adults, are shared with four different women: his first wife, Justine Wilson; singer-songwriter Grimes; Neuralink executive Shivon Zilis; and conservative journalist Ashley St. Clair. This comprehensive, updated list details every child, their mother, and the fascinating stories behind their often-unconventional names.

The Complete Biography of Elon Musk's 14 Children (Updated December 2025)

Elon Musk's journey into fatherhood began in the early 2000s and has continued to evolve with recent births in 2024 and announcements in early 2025. The full list of his children, in chronological order, provides a clear picture of the Musk family tree.

  • Nevada Alexander Musk (Mother: Justine Wilson)

    Born in 2002. Nevada was the first child of Elon Musk and Justine Wilson. Tragically, he died of Sudden Infant Death Syndrome (SIDS) at just 10 weeks old.

  • Vivian Jenna Wilson & Griffin Musk (Mother: Justine Wilson)

    Born: April 2004 (Twins). The twins, conceived via IVF, were the first surviving children. Vivian, formerly Xavier, legally changed her name in 2022 to Vivian Jenna Wilson, stating she no longer wished to be related to her biological father. Griffin is a twin brother. Both are currently 21 years old.

  • Kai Musk, Saxon Musk, & Damian Musk (Mother: Justine Wilson)

    Born: 2006 (Triplets). The triplets were also conceived via IVF. They are currently 19 years old and represent the final children from Musk's marriage to Justine Wilson.

  • X Æ A-Xii (X) (Mother: Grimes)

    Born: May 4, 2020. Known simply as "X," his original name, X Æ A-12, had to be slightly modified to comply with Californian state law, which prohibits numbers in a name. His mother, the artist Grimes (Claire Boucher), has explained the unique name's meaning, linking it to artificial intelligence and the SR-71 Blackbird aircraft.

  • Exa Dark Sideræl Musk (Y) (Mother: Grimes)

    Born: December 2021 (via surrogate). Often referred to as "Y," her name is equally complex, with "Exa" referring to exaFLOPS (a measure of computer performance), "Dark" representing the unknown, and "Sideræl" being an elven spelling of "sidereal," meaning "of the stars."

  • Techno Mechanicus (Tau) (Mother: Grimes)

    Birth Date: Unknown (revealed in 2023). The existence of a third child with Grimes, nicknamed "Tau," was revealed in the biography Elon Musk by Walter Isaacson. The name, Techno Mechanicus, continues the tradition of futuristic and technologically inspired names.

  • Strider Musk & Azure Musk (Mother: Shivon Zilis)

    Born: November 2021 (Twins). These twin children were born just weeks before Exa Dark Sideræl, making the timeline of their births a significant point of media interest. Shivon Zilis is a top executive at Neuralink, one of Musk's key companies.

  • Arcadia & Seldon Lycurgus Musk (Mother: Shivon Zilis)

    Born: 2024. The existence of two additional children with Zilis was announced in February 2025. The boy and girl, named Arcadia and Seldon Lycurgus, bring the total number of children shared with Zilis to four. Seldon Lycurgus Musk was confirmed to have a middle name of Sekhar.

  • Romulus (Mother: Ashley St. Clair)

    Born: September 2024. Conservative journalist and author Ashley St. Clair announced in February 2025 that she had welcomed a child with Musk in late 2024. The child's name was revealed to be Romulus. This news confirmed the fourth mother of his children.

The Mothers and Partners: A Complex Family Dynamic

The family structure surrounding Elon Musk is unique, characterized by his belief in the importance of having a large family to combat what he terms a "population collapse." This philosophy has led to a dynamic in which he co-parents with four different women, each with a distinct relationship and background. The focus on "procreation" as a societal duty is a central theme in his public commentary regarding his personal life.

Justine Wilson: The First Wife and Mother of Six

Justine Wilson, a Canadian author, was Musk's first wife. They were married from 2000 to 2008 and share six children, though their firstborn, Nevada, passed away. The children with Wilson are now young adults, and the public has seen one of them, Vivian Jenna Wilson, take a public step to sever the legal connection to her father, highlighting the personal complexities that accompany a high-profile family. The decision by Vivian to change her name to reflect her mother's surname, Wilson, was a major news story in 2022.

Grimes (Claire Boucher): The Artist and Futurist

Grimes, the avant-garde musician, shares three children with Musk. Their relationship, which began in 2018, has been defined by their shared interest in science fiction, technology, and unconventional naming conventions. The names X Æ A-Xii, Exa Dark Sideræl, and Techno Mechanicus are a testament to their futuristic outlook. Despite their on-again, off-again relationship, they have publicly stated their commitment to co-parenting and providing a high-tech, intellectually stimulating environment for their children.

Shivon Zilis: The Neuralink Executive

Shivon Zilis, a director of operations and special projects at Neuralink, is the mother of four of Musk's children, including the most recently announced Seldon Lycurgus Musk and Arcadia. The twins, Strider and Azure, were born in late 2021. Zilis and Musk have reportedly maintained a professional and co-parenting relationship, with Zilis sharing Musk's concerns about the declining birth rate and the need for high-IQ individuals to have more children. Their relationship is a clear example of how Musk blends his professional life with his personal mission to increase the birth rate.

Ashley St. Clair: The Conservative Commentator

The latest addition to the list of mothers is Ashley St. Clair, a conservative writer and commentator. Her announcement in early 2025 about the birth of their son, Romulus, in late 2024, came as a surprise to many and further solidified the public's fascination with Musk's commitment to fatherhood. This relationship continues the pattern of Musk partnering with women who are publicly known and share certain ideological viewpoints.

The Topical Authority: Musk's Philosophy on Procreation and Legacy

Elon Musk's decision to have a large family is not merely a personal choice; it is a direct reflection of his deeply held, and often controversial, views on demographics and the future of civilization. He has repeatedly warned that a declining birth rate is the "biggest danger civilization faces by far," a statement that provides the topical authority for understanding his actions.

The 'Population Collapse' Concern

Musk often uses his platform to discuss the concept of "population collapse," arguing that the world is not facing overpopulation but rather an underpopulation crisis due to declining fertility rates in developed countries. He sees his own expanding family as a practical example of doing his part to address this global demographic issue. This belief system is a core entity that drives his personal decisions and shapes the narrative around his children.

The Challenge of Co-Parenting 14 Children

With 14 children, the logistics of fatherhood are immense. Musk has publicly acknowledged the difficulty of spending sufficient time with all his children, a candid admission that provides a counterpoint to his pro-natalist stance. In a recent podcast appearance, he admitted that it is "impossible" to spend time with all of his kids due to his demanding schedule running companies like SpaceX and Tesla. This reality highlights the tension between his philosophical mission and the practicalities of a traditional family life.

The Future of the Musk Dynasty

As his children mature, the world watches to see what role they will play in his vast empire. The older children, such as the twins and triplets, are already navigating adulthood, with some choosing to distance themselves from the Musk name, while the younger children, with their unique, futuristic names like X Æ A-Xii and Techno Mechanicus, are growing up under the intense scrutiny of the global media. The legacy of the Musk-eteers is expected to be a major part of the billionaire's story for decades to come, intertwining his personal life with the future of technology and space exploration. The sheer number of children, and their connection to his various ventures, ensures that the Musk family remains a highly relevant entity in both business and pop culture.

musk's children
musk's children

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