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The son of “Real Housewives of Salt Lake City” star Mary Cosby, Robert Cosby Jr., has died at the age of 23, following a reported medical emergency. News of his passing first broke Wednesday, with authorities responding to a call regarding a possible overdose in Salt Lake City, Utah, according to initial reports. An investigation into the circumstances surrounding his death remains ongoing.
The Salt Lake City Police Department confirmed officers responded to a “full arrest/medical emergency” involving a 23-year-ancient man on Monday night. Fire crews and paramedics were likewise dispatched to the scene, as reported by multiple news outlets. The identity of the individual was not immediately released by authorities.
Robert Cosby Jr.’s personal life, including his recent divorce from Alexiana Smokoff, had become part of the narrative on “The Real Housewives of Salt Lake City.” The couple married in a Utah courthouse in 2022, a union that was documented on the show. The divorce proceedings were finalized months prior to his death.
Throughout his life, Robert Cosby Jr. Publicly battled with substance use and mental health challenges. During Season 5 of RHOSLC, he openly discussed his struggles with addiction, detailing a dependence on prescription medications such as Xanax and oxycodone, as well as other substances, that began during his teenage years. Variety reported on the candid conversations between Robert and his mother.
In 2024, Robert entered a rehabilitation program after testing positive for cocaine, fentanyl, and marijuana. His mother shared that he completed a month-long program and expressed optimism about his journey to sobriety. Despite this initial progress, he continued to encounter legal and personal difficulties. Over the past several years, Robert faced multiple arrests, including a DUI in 2022, for which he pleaded guilty, and subsequent arrests in 2025 on charges of trespassing and assault.
Mary Cosby is seen at the Bravo Clubhouse on October 07, 2025 in New York City. (Photo by The Hapa Blonde/GC Images)
The loss of Robert Cosby Jr. Is being deeply felt by his family and friends. He leaves behind a complex legacy, marked by both personal struggles and moments of hope. His death serves as a stark reminder of the challenges faced by individuals battling addiction and mental health issues.
As this is a developing story, further details are expected to emerge as the investigation progresses. Authorities have not yet released a definitive cause of death. FOX 11 Los Angeles is among the outlets continuing to follow the story.
The circumstances surrounding Robert Cosby Jr.’s death underscore the importance of seeking help for substance use and mental health concerns. If you or someone you know is struggling with addiction, resources are available. Please reach out for support.
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