World’s first trillionaire: Meet all Elon Musk’s kids, their moms
· The South African

South African-born tech entrepreneur Elon Musk has officially become the world’s first-ever trillionaire on Friday 12 June, here’s a look at his his 14 children and their mothers.
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WHO ARE ELON MUSK’S KIDS?
NEVADA ALEXANDER
Elon Musk’s first-born child was Nevada Alexander, who he welcomed his now ex-wife Justine Musk in 2002. Unfortunately, Nevada passed away at just 10 weeks old due to Sudden Infant Death Syndrome (SIDS).
TWINS: GRIFFIN MUSK AND VIVIAN WILSON
After the death of their first born, Musk and Justine welcomed a pair of twins, who were born as Griffin and Xavier in 2004. Xavier legally changed her gender and name to Vivian Jenna Wilson in 2022, just days after her 18th birthday.
Vivian is known to have an estranged relationship with trillionaire and world’s richest man Musk.
TRIPLETS: KAI, SAXON AND DAMIAN
Justine and Musk later welcomed triplets – Kai, Saxon and Damian, using InVitro Fertilisation (IVF).
X AE A-XII
The first of Musk’s younger kids is X AE A-XII, affectionately known as baby X, who Musk welcomed with then girlfriend, Canadian singer Grimes in May 2020. The pair have been dating from 2018 but were in an on-and-off relationship.
TWINS: STRIDER AND AZURE
Musk “secretly” welcomed a pair of twins named Strider and Azure with Neuralinks executive Shivon Zilis in November 2021.
Lil loves of my life ♥️♥️ pic.twitter.com/DwwxTtPEyu
— Shivon Zilis (@shivon) February 16, 2025
EXA DARK SIDERÆL
Musk welcomed his second child with Grimes, Exa Dark Sideræl in December 2021 via surrogate. This was just a month after he secretly welcomed twins with Shivon. Grimes later changed the baby girl’s name to “Y” or “Why?”.
— 𝖦𝗋𝗂𝗆𝖾𝗌 ⏳ (@Grimezsz) May 24, 2023
TECHNO MECHANICUS
In Musk’s biography, written by Walter Issacson, it was revealed that Musk “secretly” welcomed his third child with Grimes. The baby was reportedly born in 2022 and named Techno Mechanicus.
ARCADIA
Musk also secretly welcomed his third child with Shivon named Arcadia.
Happy 1st birthday, darling Arcadia. Mommy loves you with all her heart 💞
— Shivon Zilis (@shivon) February 28, 2025
ROMULUS
Musk and author Ashley St. Clair have a son named Romulus. He was born in September 2024, and the child’s surname is recorded as St. Clair.
SELDON LYCURGUS
Musk and Zilis welcomed their fourth child, a son named Seldon Lycurgus, in late February 2025.
Discussed with Elon and, in light of beautiful Arcadia’s birthday, we felt it was better to also just share directly about our wonderful and incredible son Seldon Lycurgus. Built like a juggernaut, with a solid heart of gold. Love him so much ♥️
— Shivon Zilis (@shivon) February 28, 2025