The 18-year-old filed documents in April to the Superior Court of California in Los Angeles, which was first reported by TMZ on Monday. She also asked for a new birth certificate. She has not publicly commented on the filing.
The teen’s mother is Canadian author Justine Musk, who was married to the billionaire from 2000 to 2008. Justine Musk tweeted about one of her 18-year-old twins on Monday, after the first reports of her daughter’s name change request.
The twins were born in 2004. Elon and Justine Musk’s baby boy Nevada, born in 2002, died of sudden infant death syndrome at 10 weeks old.
The couple also has 16-year-old triplets.
The Tesla billionaire has not commented on the court filing.
Musk tweeted on Sunday in honor of Father’s Day that he loves his children.
This piece has been updated to remove the name of Musk’s daughter, who has not commented publicly.