Billionaire tech mogul Elon Musk is a known supporter of reproduction and wants everyone to have big families like him.

"If people don't have more children, civilization is going to crumble," he once said at the Wall Street Journal's CEO summit in 2021.

According to reports, the owner of Twitter and CEO of Tesla and SpaceX has fathered nine children with different mothers. It was supposed to be 10 had his eldest Nevada Alexander not died.

Musk has five children with Canadian author Justine Wilson, namely, twins Griffin and Vivian; and triplets Kai, Saxon, and Damian.

With Canadian singer Grimes, he has two: X AE A-XII (pronounced as "Ex Ash A Twelve") and Exa Dark Sideræl.

Then, another twin with Canadian venture capitalist Shivon Zilis, whose names are currently withheld from the public.