Exa Darkish Sideræl & Techno Mechanicus Musk (Children)
In her 2022 Vainness Truthful interview, Grimes revealed she and Elon privately welcomed a child woman by way of surrogacy.
“Exa is a reference to the supercomputing time period exaFLOPS (the power to carry out 1 quintillion floating-point operations per second),” she stated. “Darkish, in the meantime, is the unknown. Individuals worry it however really it is the absence of photons. Darkish matter is the gorgeous thriller of our universe.'”
Sideræl—pronounced “sigh-deer-ee-el”—is, in accordance with mother, “the true time of the universe, star time, deep house time, not our relative earth time,” and a nod to her favourite Lord of the Rings character, Galadriel, who “chooses to abdicate the ring.”
Walter Isaacson revealed in his biography Elon Musk that Exa was born in December 2021 by way of surrogate.
The guide additionally acknowledged that round Father’s Day 2022, the on-again, off-again couple welcomed a toddler named Techno Mechanicus, nicknamed Tau, additionally by way of surrogate. The biography features a picture, dated June 2022, of Elon feeding the child boy.
Although Grimes would like different salient particulars be stored non-public. “I’ve tried begging the general public and my children dad to maintain them offline, and I’ve tried authorized recourse,” she shared on social media in 2025. “The state of my kids’s lives being public is of grave concern to me and I take into consideration methods to remedy this on daily basis. It is insane to me that theres no solution to take care of this.”
