06.06.2026
mary cosby — CA news
Mary Cosby is grieving the loss of her son Robert Cosby Jr., who passed away at 23. The cause of death is under investigation.

What Happened

Mary Cosby, star of The Real Housewives of Salt Lake City, is mourning the loss of her only son, Robert Cosby Jr., who died on February 23 at the age of 23. The Salt Lake City Police Department confirmed that Robert was found deceased after responding to a call regarding a “full arrest/medical emergency,” which has now turned into a death investigation.

Why It Matters

Robert Cosby Jr. had been a prominent figure on the Bravo reality show, where his struggles with legal issues and sobriety were highlighted. His passing follows a tumultuous period, including a recent release from Salt Lake County Metro Jail after serving two months for violating a protective order filed by his estranged wife, Alexiana Smokoff. Their marriage, which was a storyline in Season 4 of RHOSLC, ended shortly before his death, adding to the emotional turmoil surrounding his life.

What’s Next

The cause of Robert’s death remains unclear and is currently under investigation by the Salt Lake City Police Department. The medical examiner has taken custody of his remains, and further details are expected as the investigation unfolds. Mary Cosby’s representative has not yet commented on the situation, leaving fans and followers awaiting more information.