The Definitive List: All 14 Children Of Elon Musk And Their Four Mothers (Updated 2025)

As of December 2025, the question of "How many kids does Elon Musk have?" has a new, definitive answer that reflects his commitment to reversing the global "population collapse" he frequently warns about. The founder of Tesla and SpaceX, known for his ambitious ventures, is currently the father of a confirmed 14 children, welcomed with four different women. This total has recently been updated due to the confirmation of new arrivals and previously unpublicized births, making his family one of the most discussed topics in the tech world.

The tech mogul's expanding family is a direct reflection of his personal philosophy that low birth rates pose the biggest threat to human civilization. His children, affectionately dubbed his "Musk-eteers" by some media outlets, range in age from their early twenties down to newborns, each with a unique name that often sparks global conversation.

The Complete Biography: Elon Musk's 14 Children and Their Mothers

Elon Musk has welcomed 14 children with four partners: Canadian author Justine Wilson, musician Grimes (Claire Boucher), Neuralink executive Shivon Zilis, and most recently, political commentator Ashley St. Clair. The following is a chronological list of his known children, including their names and birth years, reflecting the most current information available in late 2025.

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• Nevada Alexander Musk (Mother: Justine Wilson)
  • Born: May 2002
  • Status: Tragically passed away from SIDS at 10 weeks old.
• Griffin Musk & Vivian Jenna Wilson (Mother: Justine Wilson)
  • Born: April 2004 (Twins via IVF)
  • Note: Vivian, who legally changed her name in 2022, is one of the eldest living children.
• Kai Musk, Saxon Musk, & Damian Musk (Mother: Justine Wilson)
  • Born: 2006 (Triplets via IVF)
• X Æ A-Xii (X) (Mother: Grimes)
  • Born: May 2020
  • Note: Famous for his unconventional name, pronounced "X-Ash-A-Twelve."
• Exa Dark Sideræl (Y) (Mother: Grimes)
  • Born: December 2021 (Via surrogate)
  • Note: Revealed in a March 2022 interview, her nickname is "Y."
• Azure Zilis Musk & Strider Zilis Musk (Mother: Shivon Zilis)
  • Born: November 2021 (Boy-Girl Twins)
  • Note: Their birth was kept private until it was revealed in court filings in 2022.
• Techno Mechanicus (Tau) (Mother: Grimes)
  • Born: c. 2022
  • Note: The existence of Musk and Grimes' third child, nicknamed "Tau," was revealed in September 2023.
• Arcadia Zilis Musk (Mother: Shivon Zilis)
  • Born: c. 2024
  • Note: One of four children shared with Zilis, confirming their expanded family.
• Seldon Zilis Musk (Mother: Shivon Zilis)
  • Born: c. 2025
  • Note: The fourth child with Zilis, Seldon's birth was recently confirmed, cementing the total of 14.
• Romulus St. Clair (Mother: Ashley St. Clair)
  • Born: September 2024
  • Note: This child is part of the most recent and least-publicized birth. Paternity was allegedly confirmed via a DNA test, though the child's existence and the relationship are subject to ongoing legal proceedings.

The Four Mothers: An Unconventional Family Structure

Musk’s family life is as complex and unconventional as his business empire, involving four women who are all accomplished in their own right. This structure has drawn significant media attention and discussion about modern family dynamics.

Justine Wilson: The First Wife and Mother of Six

Justine Wilson, a Canadian author, was Musk's first wife and the mother of his first six children. After tragically losing their first son, Nevada, the couple turned to IVF to welcome twins Griffin and Vivian, followed by triplets Kai, Saxon, and Damian. Wilson has been open about their shared parenting arrangement following their divorce in 2008, emphasizing a commitment to co-parenting their five living children.

Grimes (Claire Boucher): The Experimental Naming Convention

The relationship between Musk and the avant-garde musician Grimes has been defined by its high-profile nature and the famously unique names of their three children. X Æ A-Xii, Exa Dark Sideræl, and Techno Mechanicus (Tau) are arguably the most recognizable of Musk's children, reflecting the couple's interest in technology, space, and experimental culture. Despite an on-again, off-again relationship, they continue to co-parent their children.

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Shivon Zilis: The Neuralink Executive and Mother of Four

Shivon Zilis, a high-ranking executive at Musk's Neuralink company, is the mother of four of his children. The existence of their first set of twins, Strider and Azure, was revealed in 2022, shortly before the birth of Musk's second child with Grimes. The couple has since welcomed two more children, Arcadia and Seldon, bringing their total to four. Zilis has publicly defended her decision to have children with Musk, aligning with his philosophical stance on the importance of a high birth rate.

Ashley St. Clair: The Newest, Least-Publicized Mother

The most recent addition to Musk's expanding family involves political commentator Ashley St. Clair, who gave birth to a son, Romulus St. Clair, in September 2024. This birth, which brought the total count to 14, was initially private but became public knowledge due to legal disputes. While details remain scarce and the situation is less publicized than his other partnerships, a DNA test reportedly confirmed Musk's paternity. This development underscores the complexity and rapidly evolving nature of the billionaire's personal life.

The Driving Philosophy: Population Collapse and the Future of Civilization

Musk’s decision to have a large family is not merely a personal choice but is intrinsically linked to his public advocacy against what he calls "population collapse." He has repeatedly stated that a declining birth rate is a far greater threat to civilization than global warming, urging parents to have at least three children to maintain population stability.

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His views are rooted in the belief that falling global fertility rates will lead to a demographic crisis, where there are not enough young people to support the aging population and drive innovation. By having 14 children, Musk is actively practicing what he preaches, using his own life to highlight the issue and encourage others to consider the long-term societal implications of low birth rates. This philosophical driver provides a powerful context for understanding his unconventional family arrangements and the continuous expansion of his "Musk-eteer" cohort.

The sheer size and complexity of Elon Musk's family—involving 14 children with four different mothers, including high-profile celebrities and corporate executives, and children with names that challenge traditional conventions—will undoubtedly remain a topic of fascination and debate for years to come. As his business ventures continue to push the boundaries of technology and space exploration, his personal life continues to push the boundaries of modern family structures.