“Real Housewives of Salt Lake City” star Mary Cosby’s son, Robert Cosby Jr., has died. He was 23.
A Salt Lake City Police Department spokesperson confirmed to Page Six that Robert was found dead on Monday evening after officers “responded to an overdose call that turned into a death investigation.”
A rep for Mary wasn’t immediately available to Page Six for comment.
Bravo’s head honcho, Andy Cohen, publicly gave his condolences, writing via Instagram Threads, “Devastatingly sad news out of SLC. This is every parent’s worst nightmare. My heart is broken for Mary, and I am sending all my love to her and Robert Sr.”
Robert died after his estranged wife, Alexiana Smokoff, filed for divorce after three years of marriage in November.
The exes reportedly tied the knot at a courthouse in Utah in August 2022, and their marriage was a storyline in Season 4 of “RHOSLC” after they kept their nuptials a secret from Mary.
The Bravo show also shed light on Robert and Alexiana’s alleged drug use, including during Season 6, which was filmed in early 2025.
In one episode, Robert told Mary that he was “at a standstill” in his recovery after finishing a 30-day rehab program.
“I’m not in that dark place, but, like, it’s still there, if that makes sense,” he said, explaining that it’s challenging not to do something ritually anymore.
Later that season, it was revealed that Robert had relapsed.
Robert also had a history of run-ins with the law, which Mary shed light on during the Season 6 “RHOSLC” reunion in January.
During the episode, the Bravolebrity emotionally revealed that her son was arrested in November and was serving time in jail after allegedly violating a restraining order put in place by Alexiana’s family.
“[Her family] filed a restraining order against him, and he went back anyway, thinking that she want[ed] him to come back and save her,” Mary said. “I don’t know where he’s getting that from … delusional.”
At the time, Cohen shared that Robert’s sentencing was scheduled for February 2026.
“I’m not worried about him,” Mary said, while visibly upset. “I know he’s somewhere where he’s not using.
“At some point, I have to step back so that he can learn and he can make his own decisions, and unfortunately, he’s learning the hard way. But I’m OK with it … And I’d rather him be there than dead, you know?”
Mary shared that she refused to go visit Robert in jail and look at him from behind the glass.
However, she ensured viewers that she and Robert talked every day on the phone and her husband, Robert Cosby Sr., was sending him “a lot of books.”
Robert, who pleaded guilty, was released from jail after two months on Feb. 3.
His lawyer told People that he had “express[ed] deep regret regarding his prior actions and acknowledges that his past behavior demonstrates poor judgment.”
If you or someone you care about is affected by any of the issues raised in this story, call SAMHSA’s National Helpline at 1-800-662-HELP (4357).
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