Who is Shivon Zilis? Mother of Elon Musk’s twins

Billionaire Elon Musk has confirmed that he has welcomed twins with his Neuralink executive Shivon Zilis.

Elon Musk said Thursday that he was helping combat falling birth rates

after it was reported that he had twins last year.

"Doing my best to help the underpopulation crisis," tweeted the billionaire tech entrepreneur, who has fathered 10 children.

"A collapsing birth rate is the biggest danger civilization faces by far," Musk added.

He posted another tweet that read: "I hope you have big families and congrats to those who already do!"

The comments came a day after online outlet Insider reported that Musk had welcomed twins.

In total, the chief of Tesla and SpaceX has fathered 10 children, one of whom died shortly after birth.

The 36-year-old Canadian, Shivon Zilis is currently an executive at Neuralink, Musk´s brain-implant maker.