Son of ‘Real Housewives of Salt Lake City’ star Mary Cosby dies at 23
The Salt Lake Tribune - Utah News, Sports, Religion & Entertain…
February 25, 2026
Robert Cosby Jr., the son of "Real Housewives of Salt Lake City" star Mary Cosby, has died at 23. His candid struggles with substance misuse were highlighted on the Utah reality show.
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