Mary Cosby And Bill Cosby Comes From Different Family Background

The TV star, Mary Cosby, is getting all the attention concerning her possible relationship with Bill Cosby as a sister-in-law.
She is an American television personality best known for appearing on the Bravo reality television series The Real Housewives of Salt Lake City.
Highlights
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- Cosby was suspected to have a connection with the comedian as a sister-in-law, but that has not been confirmed yet.
- Bill Cosby has three four brothers: one of them is Robert Cosby who is not the husband of the TV star.
Moreover, she was revealed as a cast member in September 2020 after an NBCUniversal executive discovered that her personality was suitable for the show.
Likewise, Bill Cosby is an American retired comedian, actor, and media personality who has performed in several films television, and stand-up comedy.
Also, he was well-recognized in the United States for his fatherly image and garnered recognition as “America’s Dad”; however, he has been accused of sexual assault since 2014.
The Television Personality, Mary Cosby’s Husband Is The Brother Of Bill Cosby: Fake News Or Real?
Mary Cosby’s 52 marriage to Robert Cosby, Sr. garnered significant attention because of their peculiar relationship.
After her grandmother, Dr. Rosemary Redmon Cosby, died, she made it a point to will that Cosby marries her husband, Robert Sr., to take over as First Lady of the Faith Temple Pentecostal Church and the vast estate.
Omg! It’s true!!!!! That’s like a tad bit of information they FORGOT to tell us. Google Bill Cosby siblings…. pic.twitter.com/BZ2OpDGC5B
— Tricia Lorraine
(@One_Sexy_Tica) August 23, 2021
Although the star had some reservations, she eventually followed her grandma’s advice and married her now husband in 1998 after two years of reflection and prayer.
Since then, she has joined her husband in ministry and says their partnership is based on mutual respect and understanding.
While their relationship faced considerable scrutiny due to its unorthodox beginnings, the couple has developed a relatively strong bond over the years.
Additionally, recently, the limelight has been shifted toward her possible relationship with the Legendary Bill Cosby.
There are rumors that the actor is her brother-in-law; however, this speculation has not been officially confirmed.
Many users reacted with disbelief, confusion, and skepticism, and the majority doubted the truth of this claim.
As wonderful as this would be for entertainment purposes, it just isn’t so. Nice try tho!!
Bill Cosby Grew Up With His Brothers In Philadelphia: Is Mary Cosby Married To One Of His Brothers?
Bill Cosby, 87, was one of the four sons of Anna Pearl, a maid, and his father, William Henry Cosby Sr., a mess steward in the US Navy.
He was the oldest son in the family and grew up with his brothers, Russell, Robert, and James Cosby.
Don’t forget Bill Cosby! https://t.co/81dTIl6Q29 pic.twitter.com/OhjQonQpzD
— @amuse (@amuse) January 4, 2025
A viral misunderstanding on the internet caused confusion about the cast of Real Housewives, Mary Cosby’s husband being a brother of the artist.
Some Google sources had wrongly suggested that her husband and Cosby were brothers, which appears to be false.
Perhaps the confusion may have arisen because of the coincidence in their surnames and connection with the entertainment world.
I don’t think that could be true. When I looked up Robert Cosby Sr.’s direct family it said that there was no information on his family to begin with.
Additionally, some commented,
No it’s a Google glitch. Bill Cosby has a brother named Robert. Different person.
Additional Information
- Mary Cosby’s net worth is estimated to be around $5 million, meanwhile, Bill Cosby’s net worth is $250 million as of 2025.
- Cosby has a child with her husband, Robert Jr., who has been to rehab for his drug addiction.
- The comedian is married to Camille Olivia Cosby, an American television producer.