Mary Cosby’s Son, Robert Clinton Cosby Jr., Dies at 23 After Possible Overdose Call

Robert Clinton Cosby Jr., the 23-year-old son of reality star mary cosby, has died following an emergency response to a possible overdose at a Salt Lake City home. The death has prompted a police investigation and raised fresh public attention because of his prior on-camera discussions of addiction and recent legal troubles.

Robert Clinton Cosby, Jr. 's Death at Age 23

Salt Lake City police have identified the man as Robert Clinton Cosby, Jr., 23. Emergency crews were called to a home near 300 E. Capitol Oaks Lane at about 6: 14 p. m., and other accounts put the call at about 6: 15 p. m. Officers who arrived on scene shortly after notified dispatchers that the man was deceased, Salt Lake Police Sgt. Greg Wilking said. Authorities have described the incident as a death investigation that began with a possible overdose call, and the body was taken to the Utah State Medical Examiner's Office to confirm the cause of death.

300 E. Capitol Oaks Lane and the Police Response

Responders were dispatched to the residence close to 300 E. Capitol Oaks Lane on Monday evening; dispatch timing is recorded at about 6: 14–6: 15 p. m. Sgt. Greg Wilking provided the timeline that officers reported the subject deceased shortly after arriving. The official transfer of the body to the Utah State Medical Examiner's Office marks the next formal step in confirming the cause of death.

Mary Cosby and Family Statement

Mary Cosby and her husband, Robert Cosby Sr., released a public statement saying, in part, "Our beloved son Robert Jr. has been called home to the Lord, " adding that they take comfort in faith and appreciate prayers during their sorrow. The family message reiterated their trust in the Lord to carry them through the grieving period.

Court Records: Pleas, Charges and an Early-February Release

State court records show Robert Cosby had a series of domestic violence–related cases in which he took a plea in abeyance and was released from the Salt Lake County Jail earlier this month. On Feb. 5, he was charged in 3rd District Court with aggravated assault and assault, both third-degree felonies, in an alleged domestic violence incident from 2024 that prosecutors say his wife did not report at the time. The charging documents state he "became upset with her when she flushed his drugs down the toilet. " An earlier case accusing him of illegally providing shelter to a runaway juvenile was later dismissed.

Television Appearances, Rehab and Public Discussion of Addiction

Robert made multiple appearances on the Salt Lake City–based Real Housewives series alongside his mother and had been candid on camera about substance use. During season five he spoke about beginning drug use at 16 and named substances including Xanax, acid, Molly and cocaine; he said, "I wanted to die at the time, " a remark that prompted an emotional reaction from his mother. Mary Cosby revealed on the season six reunion, which aired Jan. 20, that he was in jail in connection with eight charges, including violation of a protective order involving his wife, Alexiana Smokoff. Earlier in that season she described a relapse after he attended rehab in 2024, and in December of that year she had said on Watch What Happens Live that "He did an excellent job. He came out a new person. " In early February, both mother and son marked his release from jail with social media posts; Mary wrote, "Thank you all for your prayers. Love you. " She also said the on-camera conversation about his struggles had not been planned, that cameras simply started rolling and the two spoke honestly, and she was humbled by viewers' feedback.

Industry and Social Responses

Representatives of the network that airs the series issued a statement expressing heartbreak and extended condolences to Mary and her family. Andy Cohen posted on social media, calling the news "devastatingly sad" and saying it is every parent's worst nightmare, adding that his heart is broken for Mary and Robert Sr. Mary’s co-stars and numerous personalities associated with the franchise also shared condolences following the announcement.

What makes this notable is the convergence of a public battle with addiction, recent criminal charges, and an on-camera candidness that had drawn attention and sympathy; those factors have shaped the immediate public reaction and the sequence of official steps now underway, from the police death investigation to the medical examiner’s confirmation of cause.