Elon Musk allegedly urged Ashley St Clair to birth her child a specific way to ensure that the infant's brain be bigger.
The Tesla CEO, who is claimed to be the father of at least 14 children by four women in the past two decades, is currently locked in a legal battle with the author, 27 years his junior.
On Valentine's Day, the 26-year-old went public with what she claims is the love child between her and the 53-year-old billionaire. Exactly a week later, she took him to court.
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On February 21, the author had filed two petitions against Musk to the New York Supreme Court, with the first being for sole legal custody of what she claims is their seven-month-old son - referred to as 'RSC' - while the second is for the Twitter owner to take a paternity test.
On February 14, St Clair, 26, took to the social media platform to share her claims, writing: "Five months ago, I welcomed a new baby into the world. Elon Musk is the father."
Now, the influencer has revealed how Musk has allegedly 'managed' her and their child.
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Speaking to The Wall Street Journal, St Clair explained that Musk requested that their baby be born via a caesarean section (C-section) rather than a natural birth.
This is because the tech mogul firmly believes the size of a baby's brain is restricted if they are born naturally - although there are conflicting studies as to whether it is better to give birth naturally or via a C-section.
Taking to Twitter back in January last year, while replying to a post which claimed 'newer generations have bigger brains', he posted: "There are certainly other factors at play, but heavy use of c-sections allows for a larger brain, as brain size has historically been limited by birth canal diameter."
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St Clair was immediately opposed to this, and gave birth naturally in the end.
The second request was that he didn't want their baby to be circumcised - a bold call, with St Clair herself being Jewish.
St Clair has previously claimed in an interview that her and Musk's alleged relationship began after he 'slid' into her DM's, with the court documents further noting that she claimed the pair began a 'romantic relationship in or about May 2023', and how they slept together in January of last year, leading to the alleged conception of RSC, who was born in September 2024.
She also claims that Musk had 'acknowledged parentage of the child in various written correspondences', with two images and alleged text messages between the two provided as evidence.
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Following the birth of their alleged child, St. Clair sent a picture of her cradling her newborn to Musk, who asked whether they were 'all well', to which she replied: "He is perfect."
“I look forward to seeing you and him this weekend.” Musk allegedly responded.
In another alleged exchange, Musk claimed he was receiving 'death threats everyday'.
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He allegedly wrote: "I get credible death threats everyday. I'm #2 after Trump for assassination. Wake up.
"This is not the time for sentiment at the expense of safety. If I make a mistake on security, R[full name blacked out] will never know his father."
Joe Yates