According to the Wall Street Journal, Brin told his advisers to sell his investments in Musk's companies after learning that he had a brief affair with his wife.

The Journal reported that Musk had an alleged liaison with a woman in Miami in December. The friendship between Musk and Brin ended because of that. Brin filed for divorce from her husband.

Brin wants a divorce from his wife of three years.

The size of Brin's investments in Musk's companies isn't known, and it's unclear if there have been any sales.

According to the billionaires index, Musk is the world's richest person. Brin's net worth is $94 billion.

There have been a number of revelations about Musk's personal life. He was reported to be the father to twins born to a senior executive at Neuralink.

According to Insider, Musk's company paid $250,000 to an employee to settle a sexual harassment claim. Musk said the accusations were designed to interfere with his acquisition of the micro-messaging service.

According to the Journal, Musk asked Brin for forgiveness at an event after he had an affair with another person.

Even though there is a prenuptial agreement, Brin and Shanahan are currently negotiating a settlement that is more than a billion dollars, according to the Journal.