On March 11, the 50-year-old superstar took to his Facebook page to share his pride for his son, who is now sober.
The proud dad posted a brief clip of his son's new music video with his two-person band, The Dose.
Along with the snipped, the "Iron Man" star wrote, "Congrats are in order for my firstborn, and I'm proud to oblige … Having braved the crucible of addiction (and pleased the court), his ongoing commitment to recovery continues to inspire and amaze."
The actor, who has reportedly been drug and alcohol free since 2003, continued in this post, "As long as we can remember, Indio has been a musician at heart. In the last several years, with his band mate Ralph Alexander, I've witnessed their dedication, consistency, and determination to grow as artists. I've also made it my business to be of as little help as possible, as nepotism usually does more harm than good… Just for today, I'm gonna ease up on that. Trust me and give these fine young men a listen."
The post comes just days after a judge dismissed Indio's 2014 felony cocaine possession conviction due to his completion of a 20-month rehab program.
Less than two years ago, Indio made news when he was arrested for cocaine possession in West Hollywood, Calif.
In a statement he gave to Us Weekly at the time, Robert, who himself was sentenced to three years in jail back in 1999, said, "Unfortunately there's a genetic component to addiction and Indio has likely inherited it."
The "Captain America: Civil War" star continued, "There is a lot of family support and understanding, and we're all determined to rally behind him and help him become the man he's capable of being. We're grateful to the Sheriff's department for their intervention, and believe Indio can be another recovery success story instead of a cautionary tale."
Indio was a product of Robert's marriage to singer Deborah Falconer. He has two other children, son Exton Elias Downey and daughter Avri Roel Downey, with his wife, producer Susan Levin.
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