The Shocking Truth About Mary Cosby's Son, Robert Jr.: Legal Troubles, Divorce, And A 2026 Prison Sentence

The life of Robert Cosby Jr., the only son of The Real Housewives of Salt Lake City star Mary Cosby and Robert Cosby Sr., has been thrust into the national spotlight, culminating in a series of shocking legal and personal setbacks that have dominated headlines in late 2025. As of December 2025, the latest updates reveal a grim reality for the young man, whose struggles with substance abuse and the law have been a painful storyline for the Cosby family, particularly during the most recent season of the hit Bravo show.

This article provides an in-depth look at the current status of Robert Jr., detailing the serious criminal charges he pleaded guilty to, the timeline of his legal saga, his mother’s candid reaction, and the unexpected filing for divorce by his wife, painting a complete picture of the challenges facing the Cosby family today. The recent plea deal and impending prison sentence until early 2026 mark a significant and difficult chapter for the former reality TV personality.

Robert Cosby Jr.: A Snapshot Biography and Timeline of Turmoil

Robert Cosby Jr. is the sole child of Mary Cosby and her husband, Robert Cosby Sr., whose controversial marriage—Mary married her late grandmother’s second husband—has been a central fixture of the RHOSLC franchise. Robert Jr.'s life has been anything but private, with his family's unique dynamics and his own personal battles often featured on the show.

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• Full Name: Robert Cosby Jr.
• Parents: Mary Cosby (Mother) and Robert Cosby Sr. (Father)
• Estimated Birth Year: 2002 (Age approximately 23 as of late 2025, though earlier reports cited him as 19 and 21, reflecting the timeline of his legal issues).
• Spouse: Unnamed wife (Filed for divorce in late 2025).
• Role on RHOSLC: Recurring supporting cast member, whose struggles with addiction and the law became a major focus of Mary Cosby’s storyline, particularly in Season 5.
• Recent Legal Status (Latest Update): Pleaded guilty to eight charges, including assault, trespassing, and violating a protective order. Currently incarcerated with a projected release date in February 2026.
• Church Affiliation: Son of the First Lady of the Faith Temple Pentecostal Church in Salt Lake City.

The Shocking Plea Deal and Imminent Prison Sentence

The most significant and recent update concerning Robert Cosby Jr. involves a dramatic legal resolution that saw him plead guilty to multiple charges. This development, which occurred in late 2025, has solidified his immediate future, which involves incarceration.

The charges stem from a series of incidents that took place between September and November of the previous year. Robert Jr. faced a total of eight charges, a mix of felony and misdemeanor counts, which painted a picture of escalating personal turmoil.

• Assault: A key charge to which he pleaded guilty.
• Trespassing: Another plea of guilt, often related to the protective order violation.
• Violation of a Protective Order: This charge indicates a serious breach of a court order, suggesting ongoing conflict.
• Felony Property Damage or Destruction: One of the more serious charges, involving damage greater than or equal to $5,000.

Following the plea deal, Robert Cosby Jr. is expected to remain in prison until February 2026. This period of incarceration follows a tumultuous period where he had previously entered a rehabilitation facility for substance issues. His mother, Mary Cosby, has publicly discussed his struggles with addiction, noting that he had relapsed prior to his most recent arrest.

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Mary Cosby's Candid Reaction: 'A Blessing in Disguise'

Mary Cosby has never shied away from discussing her son’s personal battles, often sharing vulnerable moments on The Real Housewives of Salt Lake City. Her reaction to his arrest and subsequent legal consequences has been one of both devastation and guarded hope.

In a candid interview following the news of his plea deal, Mary expressed the profound pain of watching her son struggle. She revealed that her husband, Robert Cosby Sr., was "most of the time devastated" by their son's ongoing journey.

However, in a surprising turn of perspective that aligns with her faith, Mary described the arrest as a "blessing in disguise." She viewed the legal intervention as a critical wake-up call and a necessary step toward genuine recovery and sobriety. This sentiment reflects her deep belief that sometimes the most difficult experiences are required for a person to find their true path.

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During the Season 5 reunion, Mary was open about the emotional toll of her son's addiction issues, which led him to a period in rehab. Her latest updates, even amidst the news of the prison sentence, focus on the hope that this time will provide the structure and separation Robert Jr. needs to address his core issues.

The Filing for Divorce: A New Personal Crisis

Adding to the complexity of Robert Cosby Jr.'s current situation is the news that his wife has filed for divorce. This personal crisis emerged just weeks after his latest arrest and subsequent plea deal, signifying a complete breakdown of his immediate family unit during this period of legal and personal recovery.

The identity of Robert Jr.'s wife has been kept relatively private, a common practice for the peripheral family members of the RHOSLC cast. However, the filing for divorce is a public record that underscores the heavy consequences of his recent actions and legal troubles on his personal relationships. The timing suggests that the strain of the ongoing arrests, substance issues, and the looming prison sentence proved too much for the marriage to withstand.

This development is a painful footnote to the story, as Robert Jr. now faces the dual challenge of addressing his legal and addiction issues while simultaneously navigating the end of his marriage. The support of his mother, Mary Cosby, and the congregation of the Faith Temple Pentecostal Church will be crucial as he serves his time and prepares for a fresh start post-February 2026.

What’s Next for Robert Cosby Jr. and the RHOSLC Family?

The legal process has provided a clear, albeit difficult, path forward for Robert Cosby Jr. The February 2026 release date gives a definitive timeline for his period of incarceration. The focus for the Cosby family now shifts to his long-term recovery and adjustment to life after prison and divorce.

For Mary Cosby, her role on The Real Housewives of Salt Lake City continues, and her candid sharing of her son's journey has resonated deeply with viewers who have followed the family's story since the show's inception. Her commitment to her son, despite the public nature of his struggles, remains a central theme. The hope is that Robert Jr. can use the time ahead to achieve lasting sobriety and rebuild his life upon his release from prison.