Grimes and Elon Musk have a third child named Techno Mechanicus, whose existence had been kept private until now.
Musk disclosed the child in a new biography written by Walter Isaacson. The child goes by Tau for short. It’s unclear when the child was born.
Grimes and Musk’s two other children are X Æ A-12, a boy born in May 2020, and Exa Dark Sideræl Musk, a daughter born via surrogate in December 2021.
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Grimes and Musk “semi-separated” in 2021 after three years of dating.
Musk has a total of 10 children with three women. In 2021, he was a sperm donor for Shivon Zilis, an executive at his company Neuralink. Zilis became pregnant with twins while Grimes was expecting her second child — a fact which Musk apparently failed to disclose to Grimes, according to Isaacson’s biography.
Isaacson’s new book, titled simply Elon Musk, arrives on September 12th. It’s available for pre-order here.
