Four separate women have given birth to Elon Musk’s fourteen children, three of them are with singer Grimes.
All About Elon Musk’s 14 Kids — and the Four Women Who Became Mothers to Them
Over the course of 20 years, Elon Musk has given birth to 14 children.
The inventor of Tesla became a parent for the first time in 2002 when his ex-wife, Canadian novelist Justine Wilson, gave birth to their son, Nevada Alexander, who sadly passed away at the age of ten weeks. Five additional children were born to the couple: triplets Kai, Saxon, and Damian, as well as twins Vivian and Griffin.
Musk married and divorced actress Talulah Riley twice after divorcing Wilson in 2008 after seven years of marriage, but they never had children together. Two years after they were initially connected, Musk and artist Grimes revealed in 2020 that they had welcomed their first kid, X ¾ A-12, together.
Exa Dark Siderael, a girl, and Techno Mechanicus, a male, are the couple’s two other offspring. According to court records released by Insider, the tech CEO also surreptitiously fathered twins, Strider and Azure, in November 2021 with Shivon Zilis, an official at one of his firms, Neuralink, just weeks before the birth of their second kid.
Then, in February 2024, the couple had a daughter, Arcadia. Musk and Grimes were searching for a Bel Air house where they could live with all of his children and their moms, a source told PEOPLE later that year.
Author Ashley St. Clair disclosed that she and Musk had a kid in February 2025; the infant’s name was subsequently identified as Romulus. Zilis then revealed that, while it’s unknown when, she and Musk had discreetly welcomed their fourth child, a son named Seldon Lycurgus.
In May, St. Clair revealed to The New York Times that Musk had informed her that he had also fathered a kid with a Japanese pop singer. However, this allegation has not been verified.
The details of Elon Musk’s fourteen children—Nevada, Vivian, Griffin, Kai, Saxon, Damian, X ¾ A-12, Exa, Strider, Azure, Techno, Arcadia, Seldon Lycurgus, and Romulus—are provided here.
Nevada Alexander
In 2002, Musk and his first wife, Justine Wilson, welcomed a son, Nevada Alexander. He tragically died of sudden infant death syndrome (SIDS) at the age of ten weeks.
Wilson writes, “Nevada went down for a nap, placed on his back as always, and stopped breathing,” for Marie Claire in a 2010 story. “By the time the paramedics resuscitated him, he had been deprived of oxygen for so long that he was brain-dead.”
She went on, “We decided to remove him from life support after three days at an Orange County hospital. When he passed away, I held him in my arms.
Vivian Jenna Wilson and Griffin
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Wilson described the couple’s quest to grow their family in her Marie Claire column.
Less than two months after Nevada’s death, I made my first visit to an IVF facility in order to deal with my sorrow. Elon and I intended to conceive again as soon as possible. I had twins and then triplets during the following five years,” she stated.
One of Musk’s twins filed a petition in April 2022 to have her gender recognized as female and to officially alter her name to Vivian Jenna Wilson, which is her mother Justine Wilson’s maiden name. Vivian clarified in court records that PEOPLE was able to get that she no longer wanted “to be related to my biological father in any way, shape or form.”
In June of that year, the petition was finally approved.
In October 2022, Musk told the Financial Times that he thinks Vivian doesn’t want to be connected to him since neo-Marxists are allegedly taking over prestigious colleges and institutions.
“It’s full-on communism . . . and a general sentiment that if you’re rich, you’re evil,” said the boss of Tesla. “I have excellent relationships with all the other kids, but it [the relationship] may change. Not able to win them all.
In July 2024, Vivian commented on Threads to Musk’s claim that his “son is dead” and that he was “tricked” into permitting her to get gender-affirming medical procedures.
“There is a reason why this whole thing is entirely made up. He just wasn’t there, so he doesn’t know what I was like as a child, and for the brief time he there, I was constantly attacked for being gay and feminine,” she wrote.
Vivian discussed her choice to speak out in an interview with NBC News.
“I think he was under the assumption that I wasn’t going to say anything and I would just let this go unchallenged,” she continued. “Which I’m not going to do because I won’t just overlook it if you’re going to openly lie about me in front of millions of people. I would estimate that he was present 10% of the time. That is really generous. He was only partially present, and he had half custody.
Grimes, who is the mother of three of Musk’s children, expressed her support for Vivian on X by saying, “I love and am forever endlessly proud of Vivian.”
Vivian continued to criticize her father on Threads in August 2024, calling him “pathetic” and a “serial adulterer.”
Griffin has mostly avoided the spotlight, although in May 2024 he accompanied his father to an American Express event in Miami. Musk commented, “That’s my eldest son, Griffin, who was with me at the event,” beside a picture of the two riding X.
In an interview with Teen Vogue in March 2025, Vivian stated that she does not see all of Musk’s children as siblings.
“I will admit that, if you count half-siblings, I have no idea how many siblings I truly have. It’s just an interesting fact,” she said. For two truths and a lie, it works really well. I learned about Shivon Zilis at the same time as everyone else.
In an interview with YouTube personality Hasan Piker in March 2025, Vivian stated that her father’s political views were not the result of “some tragic character motivation” for her change.
Darling, Elon Musk wasn’t a liberal. He was never on the left, and I f—— know him. She said that it was a marketing ploy.
Kai, Saxon and Damian
Two years after delivering twins, Wilson gave birth to three boys in 2006: Kai, Saxon, and Damian. Although she and Musk have not publicly acknowledged the children individually, she disclosed in a 2017 TedTalk that they were also conceived through IVF.
According to historian Walter Isaacson’s 2023 biography of the tech tycoon, Elon Musk, Damian turned vegetarian at the age of eight in order to “decrease my carbon footprint.”
Isaacson said that Damian is a math and science genius and a master of classical music. Maye, Musk’s mother, even said to her son, “I think Damian is brighter than you.”
X Æ A-12
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Grimes and Musk welcomed their first child on May 4, 2020, after the singer announced her pregnancy with a picture of her baby bump back in January 2020. Their son, X Æ A-12, whose name was later changed to X Æ A-Xii, was in part named after the CIA’s Lockheed A-12 reconnaissance plane.
Though nicknamed “X,” Grimes broke down his pronunciation in her Instagram comment section. “It’s just X, like the letter X,” she wrote. “Then A.I.,” she added. “Like how you said the letter A then I.”
But Musk explained the pronunciation differently, saying on The Joe Rogan Experience podcast that “X” is spoken “like the letter” while “the ‘Æ’ is pronounced like ‘ash.’ “
While proudly stating that “A-12 was [his] contribution,” he said it was Grimes who “mostly came up with the name.” She even gave a thorough description of the meaning behind it on her X.
Later, the youngster gained notoriety when, at the age of two, he accompanied his father to a heated meeting at X.
The Washington Post claims that in October 2022, Musk met with Yoel Roth of the Trust and Safety Office and took X ¾ A-Xii to X’s headquarters. As Musk talked about the company’s future, the toddler was allegedly roaming around the premises. Additionally, X ̃ A-Xii settled into the conference room, which the newspaper said “was strewn with toys.”
Elon Musk’s Children and Family Timeline
| Child / Event | Date / Period | Details / Key Highlights |
|---|---|---|
| X Æ A-Xii (with Grimes) | April 2023 | Attended the MMA Global Possible Conference in Miami with Musk; played on stage — audience found it heartwarming. |
| August 2023 | Grimes revealed her son’s deep love for rockets, saying: “X knows a lot about rockets. It’s crazy. He knows more than me.” | |
| April 2023 (post-Starship explosion) | Grimes shared that X had a “three-day PTSD meltdown” after witnessing SpaceX’s Starship rocket explode. | |
| February 2025 | Accompanied Musk to the Oval Office as President Donald Trump signed an executive order expanding powers of the Department of Government Efficiency. | |
| Grimes reacted on X, writing that she wasn’t informed about his attendance: “He should not be in public like this … I did not see this, thank u for alerting me.” | ||
| May 2025 | Musk appeared with a black eye, saying he got it while playfully roughhousing with X: “I said, ‘Go ahead and punch me in the face,’ and he did.” | |
| Strider and Azure (with Shivon Zilis) | November 2021 | Twins (son Strider, daughter Azure) born in Austin, Texas, weeks before Musk and Grimes welcomed daughter Exa. |
| April 2022 | Musk and Zilis filed to change their twins’ names to include their father’s surname and mother’s as middle names. | |
| September 2023 | Names and sexes publicly revealed when they were 16 months old. | |
| Exa Dark Sideræl (with Grimes) | December 2021 | Born via surrogate, three months after Musk and Grimes’ breakup. Grimes explained the name’s meaning: “Exa” from exaFLOPS, “Dark” symbolizing the unknown, and “Sideræl” meaning star time or “true time of the universe.” |
| March 2023 | Grimes shared a rare photo of her daughter on X, saying she’s now called “Y,” “Why,” or just “?”, symbolizing curiosity and eternal questioning. | |
| August 2023 | Described Y as “a little engineer” who’s fascinated by industrial shipping. | |
| Techno Mechanicus “Tau” (with Grimes) | June 2022 | Birth revealed in Walter Isaacson’s biography of Musk. Grimes said: “Tau is so amazing… He looks like a little Spock — definitely a Vulcan.” |
| September 2023 | Grimes wrote that she’s keeping details about Tau private, requesting privacy for her children. | |
| Arcadia (with Shivon Zilis) | February 28, 2024 | Musk and Zilis’ third child, daughter Arcadia, was born. On her first birthday, Zilis posted: “Mommy loves you with all her heart.” |
| Seldon Lycurgus (with Shivon Zilis) | Early 2025 | Zilis and Musk’s fourth child, son Seldon Lycurgus, announced in February 2025. Described as “built like a juggernaut with a heart of gold.” |
| Romulus (with Ashley St. Clair) | September 2024 | St. Clair announced in February 2025 that she and Musk welcomed a baby, Romulus, born five months earlier. Said she initially withheld news for privacy. |
| February 2025 | Musk claimed on X he had given St. Clair $2.5M and $500k/year, but she accused him of retracting support “to maintain control.” | |
| April 2025 | Wall Street Journal confirmed via Labcorp that Musk’s paternity probability was 99.9999%. | |
| June 2025 | Amid Musk’s public feud with Donald Trump, St. Clair joked on X: “Hey @realDonaldTrump lmk if you need any breakup advice.” |
FAQs on Elon Musk’s 14 Children and Family
1. How many children does Elon Musk have?
As of 2025, Elon Musk has 14 children with four different women — Justine Wilson, Grimes, Shivon Zilis, and Ashley St. Clair.
2. Who was Elon Musk’s first wife and what happened to their first child?
Musk’s first wife was Canadian author Justine Wilson. Their first son, Nevada Alexander Musk, tragically passed away from SIDS (Sudden Infant Death Syndrome) at just 10 weeks old.
3. How many children does Elon Musk have with Justine Wilson?
Elon Musk and Justine Wilson have five surviving children — twins Vivian and Griffin, and triplets Kai, Saxon, and Damian. All were conceived via IVF.
4. Who are Elon Musk’s children with Grimes?
With musician Grimes (Claire Boucher), Musk has three children:
X Æ A-Xii (born 2020)
Exa Dark Sideræl, also known as “Y” (born 2021, via surrogate)
Techno Mechanicus (“Tau”) (born 2022)
5. Who are Shivon Zilis’ children with Elon Musk?
Elon Musk and Shivon Zilis, an executive at Neuralink, have four children:
Twins Strider and Azure (born 2021)
Arcadia (born 2024)
Seldon Lycurgus (born 2025)
6. Does Elon Musk have children with anyone else?
Yes. In 2025, author Ashley St. Clair revealed she and Musk share a son named Romulus (born in 2024).
There are also unverified rumors that Musk may have a child with a Japanese pop singer.
7. What is known about Elon Musk’s relationship with his daughter Vivian?
Vivian Jenna Wilson, one of Musk’s twins with Justine Wilson, publicly changed her name and gender in 2022 and stated she no longer wishes to be associated with her father. She has since spoken out about their strained relationship.
8. Which of Elon Musk’s children are most in the public eye?
Most attention goes to X Æ A-Xii (“X”), who occasionally appears with Musk at public events. Grimes’ children, particularly “X” and “Y,” have also gained popularity for their unique names and personalities.
9. Why does Elon Musk have so many children?
Musk has repeatedly said he believes in increasing the global birth rate and has expressed concerns about population decline. He views having children as part of his contribution to humanity’s future.
10. What are Elon Musk’s children’s names and birth order?
Here’s a quick summary (in order of birth):
Nevada Alexander (2002 – deceased)
Griffin (2004)
Vivian Jenna (2004)
Kai (2006)
Saxon (2006)
Damian (2006)
X Æ A-Xii (2020)
Exa Dark Sideræl (2021)
Strider (2021)
Azure (2021)
Techno Mechanicus “Tau” (2022)
Arcadia (2024)
Romulus (2024)
Seldon Lycurgus (2025)
11. Has Elon Musk ever talked about his parenting style?
Yes. Musk has said he tries to spend time with his kids whenever possible, especially at his companies, and wants to instill curiosity and independence in them. However, some of his older children have disputed his level of involvement.
12. How many women has Elon Musk had children with?
Elon Musk has fathered children with four women:
Justine Wilson (first wife)
Grimes (Claire Boucher)
Shivon Zilis
Ashley St. Clair
13. What’s unique about Elon Musk’s children’s names?
Musk’s children often have scientifically inspired or symbolic names, such as:
“X Æ A-Xii” (symbolizing love of technology and aircraft design)
“Exa Dark Sideræl” (reflecting cosmic and philosophical ideas)
“Techno Mechanicus” (nickname “Tau,” possibly referring to physics)
14. Where do Elon Musk’s children live?
Musk’s children reportedly live between different locations, including Texas and California, depending on their mothers’ residences. Some of Grimes’ and Zilis’ children have been seen at Musk’s Texas properties near SpaceX and Tesla headquarters.
15. Has Elon Musk ever said he wants more children?
Yes, Musk has suggested in several interviews that he’s open to having more children, as he views it as a “duty to preserve humanity.”
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