Elon Musk and Shivon Zilis, a top executive at his company Neuralink, secretly had twins in November of 2021, just weeks before the birth of his second child with Grimes.
In April, Musk and Zilis filed a petition to change the name of the twins to "have their father's last name" and have their mother's last name as part of their middle name, the report said, citing court documents. A court docket summary on the Westlaw legal research service showed a judge signed an "Order Changing the Names Of Multiple Children" on May 11 after the name change petition from Musk and Zilis was made on April 25 this year.
Zilis, 36, identified on her LinkedIn profile as director of operations and special projects at Neuralink, which is co-founded and chaired by Musk, 51. She also serves as a board member at artificial intelligence research firm OpenAI, which was co-founded by Musk.
The news of the twins' arrival brings Musk's total count of children to nine. Musk shares two children with Canadian singer Grimes, and the other five kids with his ex-wife Canadian author Justine Wilson.
Musk and Grimes welcomed their second child via surrogate in December. The billionaire said that he and Grimes were "semi-separated," according to a report by Page Six in September last year.
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