The Complete List: How Many Baby Mamas Does Elon Musk Have Now? (Updated 2025)

The question of "how many baby mamas does Elon Musk have" has become one of the most frequently searched celebrity queries, and the answer continues to evolve rapidly. As of today, December 18, 2025, the tech billionaire and CEO of Tesla, SpaceX, and X (formerly Twitter) is the confirmed father of 14 children with four different women, a number that has been dramatically updated in late 2024 and early 2025. This complex family structure is not merely a celebrity headline; it is intrinsically linked to Musk's public and often controversial views on the global fertility crisis and population collapse.

The latest updates confirm the arrival of two new children in the family in 2024, including a fourth child with Neuralink executive Shivon Zilis and the first child with conservative influencer Ashley St. Clair. This article provides the definitive, most up-to-date breakdown of the mothers, the children's names, and the fascinating professional backgrounds of the four women who share the responsibility of raising the world's most talked-about family.

The Four Mothers: Biography and Professional Profile

Elon Musk’s partners are not merely "baby mamas" but accomplished women in their own right, spanning the fields of literature, music, technology, and political commentary. Their diverse backgrounds reflect the wide-ranging interests of the billionaire himself.

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1. Justine Wilson (First Wife)

• Full Name: Jennifer Justine Wilson (now Justine Musk).
• Profession: Canadian Author and Novelist.
• Notable Works: She is best known for her dark urban fantasy novels, including her debut novel *Bloodangel* (2005) and its sequel *Lord of Bones* (2008).
• Relationship: Elon Musk's first wife, married from 2000 to 2008. They met while attending Queen's University in Ontario, Canada.

2. Grimes (Claire Boucher)

• Full Name: Claire Elise Boucher.
• Profession: Canadian Musician, Singer, Songwriter, and Visual Artist.
• Musical Style: Known professionally as Grimes, her music is characterized by an eclectic blend of dream pop, electronic, R&B, and hip-hop, often exploring themes of science fiction and futurism.
• Relationship: They had an on-again, off-again relationship that began in 2018.

3. Shivon Zilis

• Full Name: Shivon Zilis.
• Profession: Technology Executive and Venture Capitalist.
• Current Role: She is a Director of Operations and Special Projects at Neuralink, one of Musk's neurotechnology companies. She previously worked at OpenAI and Tesla, focusing her career on machine intelligence and artificial intelligence (AI).
• Relationship: A professional and personal partner, their relationship became public with the birth of their twins in 2021.

4. Ashley St. Clair

• Full Name: Ashley St. Clair.
• Profession: Conservative Political Influencer, Author, and Podcaster.
• Career Focus: She gained prominence as a right-wing commentator and author, frequently posting political and cultural critiques on platforms like X. She recently debuted her own podcast.
• Relationship: Her relationship with Musk and the birth of their child was confirmed in late 2024.

The Definitive List of Elon Musk's 14 Children

The total number of children Elon Musk has fathered now stands at 14, a figure confirmed by multiple sources following the latest arrivals. The children's names often reflect Musk's interest in science, philosophy, and unique linguistic structures.

Children with Justine Wilson (6 Children)

Musk and Wilson's journey into parenthood began tragically with the loss of their first child, followed by the successful birth of twins and triplets via in vitro fertilization (IVF).

• Nevada Alexander Musk (2002): Sadly passed away at 10 weeks old due to Sudden Infant Death Syndrome (SIDS).
• Griffin Musk (2004): Twin son.
• Vivian Jenna Wilson (2004): Twin daughter. She legally changed her name in 2022 to reflect her mother's maiden name.
• Kai Musk (2006): Triplet son.
• Saxon Musk (2006): Triplet son.
• Damian Musk (2006): Triplet son.

Children with Grimes (Claire Boucher) (3 Children)

The children shared with the musician Grimes are arguably the most famous due to their unique, alphanumeric names.

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• X Æ A-12 Musk (2020): Known as "X," the name was later legally changed to X Æ A-Xii.
• Exa Dark Sideræl Musk (2021): Known as "Y," this daughter was born via surrogate.
• Tau Techno Mechanicus (2023): Known as "Tau," this third child's existence was revealed in Walter Isaacson's biography of Elon Musk.

Children with Shivon Zilis (4 Children)

The family with Neuralink executive Shivon Zilis has expanded to four children, with the latest arrival being a son in late 2024.

• Strider Sekhar Sirius (2021): Twin son.
• Azure Astra Alice (2021): Twin daughter.
• Arcadia (2024): A daughter, born in February 2024 and confirmed in June 2024.
• Seldon Lycurgus (2024): A son, the fourth child with Zilis, whose birth was announced in late 2024.

Child with Ashley St. Clair (1 Child)

The most recent addition to the family, with conservative influencer Ashley St. Clair, was confirmed in late 2024, bringing the total number of children to 14.

• Romulus (2024): A son, born in September 2024, whose paternity was confirmed by reports shortly after the birth.

The Philosophy Behind the Family: Population Collapse and Co-Parenting

The extraordinary size and complexity of Elon Musk's family are often framed by his own vocal and consistent public warnings about the future of human civilization. This is the key topical authority that explains his actions and family choices.

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Musk's Crusade Against Declining Birth Rates

Musk is one of the world's most prominent figures arguing that the greatest threat to human civilization is not climate change or AI, but rather "population collapse" due to low global fertility rates.

• The Warning: He frequently tweets and speaks about the "fertility crisis" and the need for people to have more children to prevent what he calls the "end of civilization."
• Personal Example: His choice to father a large number of children with four different women is seen by many, including himself, as a personal effort to practice what he preaches and to contribute to solving the demographic decline. He has stated that he is "doing his part" to address the issue.
• LSI Connection: The sheer scale of his family has made the topic of "population decline" a mainstream discussion point, linking his personal life directly to a major global policy issue.

The Co-Parenting Dynamic

Given the number of children and the separate professional lives of the mothers, the family dynamic is unique. Musk has consistently spoken about the importance of co-parenting and his desire to be involved in all his children's lives, despite his demanding schedule. The mothers of his children are all highly accomplished professionals, suggesting a co-parenting arrangement that respects their individual careers and roles.

• Focus on the Future: The children with Shivon Zilis, for instance, are being raised in an environment closely tied to the world of AI and technology, reflecting both parents' professional focus.
• Privacy vs. Public Life: While some children's names and lives are highly public (like X Æ A-12), others, particularly the newest additions, are kept more private, suggesting a careful balance between the public demands on Musk and the privacy needs of the mothers and children.

In conclusion, the answer to "how many baby mamas does Elon Musk have" is currently four, sharing a total of 14 children. This complex, modern family unit is a direct reflection of a man who sees himself as a key figure in the future of humanity, both through his technological ventures and his commitment to expanding the human population. The story of the Musk family is, therefore, a constantly updating narrative at the intersection of celebrity, technology, and global demographics.