Elon Musk and one of his top executives secretly had twins in November, according to areportWednesday by Insider.
The revelation came in court documents petitioning to have the children’s last name changed to Musk.
The 36-year-old Zilis previously worked as project director in the CEO’s office at Tesla.
The nature of their relationship wasn’t immediately clear.
The heavily redacted name-change petition lists that address for both Musk and Zilis, Insider reported.
Musk didn’t respond to a request for comment.
Zilis couldn’t be reached for comment.
Doing my best to help the underpopulation crisis.A collapsing birth rate is the biggest danger civilization faces by far.
Musk later denied the allegations, calling them “utterly untrue.”
Musk, an outspoken advocate for population growth, now has nine children.
In May, Musktweeted a Wall Street Journal graphictracking a “fertility slump” in the US since 1940.