Elon Musk, the CEO of SpaceX and Tesla, is known for his innovative ventures and equally unconventional choices in naming his children. As of February 2025, Musk has fathered 13 children with multiple partners. Here's a comprehensive list of his children and the stories behind their unique names:

1. Nevada Alexander Musk

• Born: 2002
• Mother: Justine Wilson
• Note: Tragically, Nevada passed away at 10 weeks old due to sudden infant death syndrome (SIDS).

2. Griffin Musk

• Born: 2004
• Mother: Justine Wilson
• Note: Griffin has a twin sibling, Vivian.

3. Vivian Jenna Wilson

• Born: 2004
• Mother: Justine Wilson
• Note: Born as one of the twins alongside Griffin, Vivian transitioned and legally changed her name, adopting her mother's maiden name.

4. Kai Musk

• Born: 2006
• Mother: Justine Wilson
• Note: One of the triplets born through in vitro fertilization (IVF).

5. Saxon Musk

• Born: 2006
• Mother: Justine Wilson
• Note: One of the triplets born through IVF.

6. Damian Musk

• Born: 2006
• Mother: Justine Wilson
• Note: One of the triplets born through IVF.

7. X Æ A-Xii Musk

• Born: May 2020
• Mother: Claire Boucher (professionally known as Grimes)
• Pronunciation: "X Ash A Twelve"
• Note: The name combines the unknown variable 'X', the elven spelling of AI ('Æ'), and a tribute to the Archangel 12 aircraft ('A-Xii'). Originally named X Æ A-12, it was modified to X Æ A-Xii to comply with California naming laws.

8. Exa Dark Sideræl Musk

• Born: December 2021
• Mother: Grimes
• Nickname: "Y"
• Note: 'Exa' refers to a supercomputing term exaFLOP, 'Dark' represents the unknown, and 'Sideræl' (pronounced 'sigh-deer-ee-el') is a nod to the true time of the universe, star time, and also a reference to Grimes' favorite Lord of the Rings character, Galadriel.

9. Techno Mechanicus Musk

• Born: 2023
• Mother: Grimes
• Nickname: "Tau"
• Note: Details about the meaning behind this name have not been publicly disclosed.

10. Strider Musk

• Born: 2021
• Mother: Shivon Zilis
• Note: One of the twins born through IVF.

11. Azure Musk

• Born: 2021
• Mother: Shivon Zilis
• Note: One of the twins born through IVF.

12. Techno Mechanicus Musk

• Born: 2024
• Mother: Shivon Zilis
• Note: This child shares the same name as Musk's child with Grimes, leading to some public confusion.

13. [Name Undisclosed]

• Born: 2024
• Mother: Ashley St. Clair
• Note: The name of this child has not been publicly revealed.