Elon Musk's Wives And Partners: The Definitive List Of His 14 Children's Mothers (Updated December 2025)
The romantic life of Elon Musk, the billionaire CEO of Tesla, SpaceX, and X, has always been as complex and attention-grabbing as his ventures into space and artificial intelligence. As of December 2025, his relationships have resulted in one of the most talked-about modern families, with his ever-expanding circle of partners and children constantly making headlines.
This definitive guide provides the most current, comprehensive look at the women who have been officially married to or partnered with the world’s wealthiest person, detailing their unique backstories, their connections to Musk's empire, and the surprising number of children they share.
The Spouses and Partners: A Complete Biography List (December 2025)
Elon Musk has been married twice, both times to the same two women. However, his list of significant romantic partners who have mothered his children now stands at four, with a fifth recent claim. Each woman is a high-achiever in her own right, spanning the worlds of literature, cinema, music, and high-tech corporate leadership.
- Justine Wilson (First Wife)
- Full Name: Jennifer Justine Wilson (now Justine Musk)
- Born: September 2, 1972 (age 53 in 2025)
- Occupation: Canadian Author (known for the fantasy novel BloodAngel)
- Relationship Status: Married (2000–2008)
- Children with Musk: 5 (Twins Griffin and Vivian, Triplets Kai, Saxon, and Damian)
- Talulah Riley (Second Wife—Twice)
- Full Name: Talulah Jane Riley-Milburn
- Born: September 26, 1985 (age 40 in 2025)
- Occupation: English Actress (known for Pride & Prejudice and HBO's Westworld)
- Relationship Status: Married (2010–2012) and Remarried (2013–2016)
- Children with Musk: 0
- Grimes (Partner)
- Full Name: Claire Elise Boucher
- Born: March 17, 1988 (age 37 in 2025)
- Occupation: Canadian Musician, Singer, and Visual Artist
- Relationship Status: On-and-off Partner (since 2018)
- Children with Musk: 2 (X Æ A-12 "X" and Exa Dark Sideræl "Y")
- Shivon Zilis (Partner)
- Full Name: Shivon Alice Zilis
- Born: February 8, 1986 (age 39 in 2025)
- Occupation: Canadian Tech Executive (Director of Operations at Neuralink, previously at Tesla and xAI)
- Relationship Status: Partner (Confirmed as of 2022)
- Children with Musk: 4 (Twins Strider and Azure, plus two more recently revealed children)
- Ashley St. Clair (Confirmed Mother)
- Full Name: Ashley St. Clair
- Occupation: American Political Commentator and Author
- Relationship Status: Confirmed Mother (as of Feb 2025)
- Child with Musk: 1 (Romulus)
The First Chapter: Justine Wilson and The Foundations of The Musk Family
Justine Wilson, a Canadian author, was Elon Musk's first wife and is the mother of his first six children. The couple met while attending Queen's University in Ontario, Canada. Their relationship began with a dynamic that Justine herself described as challenging, noting Musk's intense ambition and drive even in their early years.
They married in January 2000 and moved to Los Angeles. Tragically, their first son, Nevada Alexander Musk, died of Sudden Infant Death Syndrome (SIDS) at just 10 weeks old in 2002. This devastating loss was followed by the birth of their first set of twins, Griffin and Vivian Wilson, in 2004, conceived via in vitro fertilization (IVF). Two years later, they welcomed triplets—Kai, Saxon, and Damian—also through IVF.
The marriage ended in 2008, a year Musk famously called a "nightmare" due to the financial crisis, the nearly simultaneous collapses of Tesla and SpaceX, and the divorce proceedings. Justine has since become an outspoken voice on her experience being married to a man of such immense power and wealth, providing a rare, candid glimpse into the personal life of the tech titan.
The Double Marriage: Talulah Riley, The Actress
Shortly after his divorce from Justine, Musk began dating English actress Talulah Riley, known for her roles in films like Pride & Prejudice and the sci-fi series Westworld. Their relationship was so intense that they married not once, but twice.
The couple first tied the knot in 2010. However, their first marriage concluded with a divorce in 2012. In a move that surprised many, they remarried in 2013, only to divorce again in 2016. Despite the complex, on-again, off-again nature of their union, they have maintained an amicable relationship. Talulah Riley has since moved on, marrying actor Thomas Brodie-Sangster in 2024.
Riley’s relationship with Musk is unique in that she is the only one of his spouses or significant partners with whom he does not share any children, making her time with him focused solely on their personal bond rather than co-parenting responsibilities.
The Modern Family: Grimes, Shivon Zilis, and The New Additions
Musk's subsequent relationships have solidified his reputation for unconventionality, particularly his partnership with Canadian musician and artist Grimes (Claire Boucher). Their romance began in 2018, famously starting with a joke about artificial intelligence on X (then Twitter).
Grimes and Musk share two children with famously unique names: X Æ A-12 (later legally simplified to "X") born in May 2020, and a daughter, Exa Dark Sideræl (nicknamed "Y"), born via surrogate in late 2021. Their relationship has been described as "very fluid," a term used by Musk himself to indicate a non-traditional, on-and-off dynamic that continues to this day.
The Neuralink Connection: Shivon Zilis
In a parallel development that underscores Musk’s commitment to "underpopulation," he also became a father to twins with Shivon Zilis, a Canadian tech executive who has held high-level roles at Neuralink, Tesla, and xAI. The twins, Strider and Azure, were born in 2021. Zilis, who is half-Indian, has been a key figure in the development of Musk's AI and brain-chip ventures, blurring the lines between his professional and personal life.
In late 2024 and early 2025, it was revealed that Zilis had welcomed two more children with Musk, bringing her total to four, and Musk's total known children to 13 at the time.
The Latest Revelation: Ashley St. Clair and Romulus
The most recent and sensational update to Musk’s family tree arrived in early 2025. Right-wing political commentator and author Ashley St. Clair announced in February 2025 that she had welcomed Musk's 14th child, a son named Romulus. The revelation, which came with claims of a paternity test confirmation and a subsequent dispute over a proposed settlement, further cemented Musk's status as a prolific father.
The addition of Romulus confirms that as of late 2025, Elon Musk is the father of 14 known children with four different mothers, with a fifth mother, Ashley St. Clair, now confirmed. This complex web of relationships and co-parenting dynamics, spanning multiple families and high-profile careers, ensures that the personal life of the world's most influential entrepreneur will remain a topic of intense global curiosity for years to come.
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