Real Housewives of Salt Lake City star Mary Cosby explains why she married her step-grandfather at just 22

The women in The Real Housewives of Salt Lake City cast are newcomers on the Bravo block, but they’re already causing quite a stir.

Raising the most eyebrows is its star, Mary Cosby, who reveals in episode one that she married her step-grandfather, Robert Cosby Sr., and the marriage was arranged by her grandma just before her death.

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However, the marriage isn’t as scandalous as it sounds. Mary’s grandmother was the late Dr. Rosemary Redmon Cosby, who founded the Faith Temple Pentecostal Church in Utah in 1968.

Before her death in 1997, Dr. Rosemary wanted Mary to take over as First Lady of the church, and in order to do that (plus inherit all Dr. Rosemary’s money), Mary had to wed her step-grandfather. She was just 22 at the time.

“Before she passed, she made it very clear that she wanted me to be the one to take her place in the church and inherit everything,” Mary explained to People.

“That came with homes, money, our church and also marrying her husband.”

But don’t think for a second Mary didn’t balk at the arrangement.

Her mother didn’t agree to the union because she wanted Dr. Rosemary to leave the church to her, the reality star revealed.  

“It was all bizarre,” Mary recalled. “It split our church. My mum had a fit because she wanted the church, she wanted my grandmother’s place. My mum felt like she was the one that should have been marrying Robert Sr.”

But Mary’s love and trust for her grandmother outweighed her reservations and mother’s objections. Now Mary and Robert have been married for 21 years and share a son, Robert Jr.

“Don’t think it wasn’t weird, because it was!” she added. “I did it because I trusted my grandmother. I’m so glad I did it.”

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