Elon Musk reportedly had an affair with the wife of Google co-founder and longtime friend Sergey Brin, prompting his divorce earlier this year

Elon Musk was reportedly involved in a romantic affair last fall with the wife of Google co-founder Sergey Brin, a long-time friend of Musk and a Tesla investor, the Wall Street Journal reported.

A source close to the matter told the Journal that the relationship between Musk and Brin has been strained in recent months, and Brin instructed his financial advisers to sell his investments in the Tesla CEO’s various businesses.