Who Is Devon Dalio? Billionaire Ray Dalio Shares ‘Terrible Pain’ After Son’s Death 12/19/20 AT 5:42 PM Billionaire Ray Dalio confirmed the death of his son Devon Dalio in an emotional tweet following a tragic car accident. On Friday, the hedge fund founder share news about the emotional toll Devon’s death took on the family. “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,” he tweeted. Ray continued, “We know that the terrible pain we are feeling has been and continues to be felt by so many others so our sympathies go out to them. May God be with you and may you cherish your blessings, especially at this time of year.”