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Elon Musk has offered a rare glimpse into his personal life, sharing the inspiration behind the distinctive names of his young twins with Neuralink executive Shivon Zilis.
The Tesla and SpaceX founder, 54, responded to a post on X from Tesla Owners Silicon Valley that featured a photo of him with the 4-year-old twins. While Musk is known for keeping details about his children private, he used the moment to explain the meaning behind their names, which draw from a mix of fantasy, gaming culture, and science.
In his reply, Musk revealed that his son's name reflects both literary and academic influences. "Me with my son, Strider Sekhar (named after Aragorn & great Indian physicist Chandrasekhar)," he wrote, referencing the beloved Lord of the Rings character and Nobel Prize–winning astrophysicist Subrahmanyan Chandrasekhar. His daughter's name, Comet Azure, also has a fantastical origin, with Musk noting that it was inspired by "the most powerful spell in Elden Ring."
The twins were born in November 2021, though their arrival only became public months later through court documents. Musk and Zilis have since welcomed two more children together — daughter Arcadia, born in February 2024, and son Seldon Lycurgus, whose birth was revealed in early 2025.
Musk is a father to 14 children with four different women. His parenting journey began in 2002 with his then-wife, author Justine Wilson. Their first child, Nevada Alexander, died at 10 weeks old, a loss Musk has previously described as devastating. The former couple later had five children together: twins Vivian and Griffin, followed by triplets Kai, Saxon, and Damian.
He also shares three children with musician Grimes — X Æ A-12, Exa Dark Sideræl, and Techno Mechanicus — and another child, Romulus, with political commentator Ashley St. Clair, whose birth was disclosed in 2024.
Musk has previously spoken about his belief that having children is a form of optimism for the future. According to reports, he has privately referred to his growing family as a
"legion," a term drawn from Roman military units, reflecting his concern about declining global birth rates.
