Grimes Files Petition to Establish Parental Rights for Her Three Kids with Elon Musk

The two share daughter Exa Dark Sideræl and sons X Æ A-12 and Techno Mechanicus

Grimes has filed a petition to establish parental rights for the three kids she shares with Elon Musk.

The singer, whose real name is Claire Boucher, filed the documents in a California court on Sept. 29, requesting to establish a parental relationship for daughter Exa Dark Sideræl, 22 months, who goes by Y, and sons X Æ A-12, 3, and Techno Mechanicus, according to online records viewed by PEOPLE. The filings in the case have been sealed.

A petition to establish parental rights is often a means of identifying who a child's legal parents are if they aren't married.

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Related: Elon Musk and Grimes Secretly Welcomed Third Baby, a Son Named Techno Mechanicus, New Biography Claims

In September, Grimes shared a lengthy post on X (formerly Twitter), requesting for privacy of her and Musk's three children. She also addressed a number of recent headlines surrounding her co-parenting relationship with the Tesla CEO and the revelation that they quietly welcomed a third baby, son Techno.

"Hey, I wud [sic] prefer to not breathe any more life into this current press cycle but I want to de-escalate the narrative atm," the artist began.

Addressing her comments toward Shivon Zilis — the Neuralink exec, 37, who is mom to Musk's 22-month-old twins, Strider and Azure, born just weeks before Exa — she continued, "I spoke with Shivon at length finally, which was long overdue."

Emphasizing to fans that the circumstances between them weren't Zilis' "fault," she asked fans, "Plz [sic] don't be angry at her! We respect each other a lot and we're excited to become friends and have the kids grow up together."

Addressing a since-deleted tweet that responded to biographer Walter Issacson's tweet about a TIME excerpt from his biography of Musk — Grimes apologized to Issacson and wrote, "As u can imagine, that was a very gut level reaction to a thing that has been very hard for me."

"Communication about the twins wasn't handled super well in the past, but I now totally understand what happened and totally forgive the situation," she candidly explained. "Women are so often pitted against each other. Speaking with Shivon, it's very evident she's an amazing human and we both just want what's best for our kids."

Concluding with a comment about her previously unknown third child with the X owner, she concluded, "I wish I could show u how cute little Techno is 👽 but my priority rn is keeping my babies out of the public eye, Plz respect that at this time 🙏🏻 ."

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