'RHOSLC' Star Mary Cosby's Son Robert Jr. Pleads Guilty to Trespassing & Assault Charges, Will Remain in Jail Until Next Year

Mary Cosby‘s son will be spending the holidays in jail.

The 53-year-old Real Housewives of Salt Lake City star’s son Robert Cosby Jr. pleaded guilty to assault, violating a protective order and other charges, one day after his wife, Alexiana Arian Smokoff, filed for divorce.

Robert Jr., 23, entered his pleas in a Salt Lake County District Court in Salt Lake City, Ut., on November 25, following multiple incidents spanning from September to November involving his estranged wife and her father Shad Stokes, according to court documents obtained by People.

Keep reading to find out more…After initially facing 14 charges, Robert Jr. pleaded guilty to eight charges in total: one count of felony property damage or destruction greater than or equal to $5,000; two counts of violation of a pretrial protective order — obtained by Alexiana, 21 — in addition to one count of assault on a peace officer, one count of violation of a jail release court order, two counts of criminal trespass on a dwelling with intent to cause annoyance, injury, or fear (all Class A misdemeanors); and one count of Class B misdemeanor assault.

Six misdemeanor charges were dismissed with prejudice.

Robert Jr. was booked into Salt Lake County Jail on November 9 and will remain there, without bail, until his sentencing on February 3, 2026 when a judge will determine the length of his remaining sentence.

Alexiana filed for divorce from Robert Jr. on November 24. The petition for divorce requires that both parties do not “harass, intimidate or disturb the peace of the other party, by any means, including electronically.”

Other prohibited actions on behalf of either party include: “commit domestic violence or abuse against the other party or a child, use the other party’s name, likeness, image, or identification to get credit, open an account for service, or obtain a service, cancel or interfere with telephone, utility, or other services used by the other party, cancel, modify, terminate, change the beneficiary.”

If you missed it, Mary recently addressed the new TLC docu-series that will be investigating her church.