Billionaire hedge fund investor Ray Dalio said in a post on Twitter that his 42-year-old son was killed in a car accident.

Devon Dalio was driving when his car crashed into a store in Greenwich, Connecticut, according to the Connecticut Post newspaper. His LinkedIn page says he’s a co-founder/partner at P-Squared Private Equity and a Dalio Foundation board member.

Ray Dalio is the founder and co-chief investment officer of Bridgewater Associates. His net worth is $15.5 billion, according to the Bloomberg Billionaires Index.

It is with great pain that I am sharing with you that my 42-year-old son was killed in a car crash yesterday. My family and I are mourning and processing and would prefer to be incommunicado for the time being.

— Ray Dalio (@RayDalio) December 19, 2020

“My family and I are mourning and processing and would prefer to be incommunicado for the time being,” Dalio said on Twitter.

This article was provided by Bloomberg News.