Mary Cosby married her grandmother’s second husband, Robert C. Cosby, immediately after her demise in 1997. As fans probably already know, Mary is married to her step-grandfather, Bishop Robert C. Cosby, who she wed almost 22 years ago.The pair are co-pastors of Faith Temple Church in Utah, but the church was actually founded by Mary’s late grandmother and the former wife of Bishop Robert. "She wanted me to take her place," Mary said, in everything from running the church to marrying her second husband. Before Mary’s grandmother, the evangelist Rosemary Redmon Cosby, died of a heart attack, she wanted to ensure that her husband would be taken care of in the event of her passing. Mary Louise Cosby, our dearest mother, grandmother, and friend, went to be with her Lord and Savior Jesus Christ on March 12, 2020, at the age of 90. Mary Cosby didn’t have to marry her grandfather after all. Mary was in her early 20s at the time, and Robert in his 40s. (Mary wed her late grandmother's second husband, Robert Cosby Sr., in an "arranged" marriage. He had been married to Mary's grandmother, Rosemary Redmon Cosby, for 22 years before she died of a … Bishop Cosby wed Mary Cosby, then Mary … The First Lady of the Faith Temple Pentecostal Church claimed on “The Real Housewives of Salt Lake City” that her late grandmother told her it was necessary for her to marry her step-grandfather, saying in one episode: “I did marry him. The two have been together for over 20 years and share a teenage son.) But what Mary lacks in ‘gramming skills, she makes up for in fun facts. She was born on July 10, 1929 in Oneonta, AL, to Robert Smith and Alma Smith. Early on, she revealed that, when she was in her 20s, her beloved grandmother died and asked Mary to wed her second husband, Robert Cosby.The two went on to have a successful marriage, even having one son together, Robert Cosby … Fans were quickly taken by Mary before the show even aired. We did some digging, and according to local Utah publication Deseret News, Mary’s husband Bishop Robert C. Cosby, married the late Ms. Rosemary “Mama” Cosby, Mary’s grandma and the founder of Faith Temple Pentecostal Church in Salt Lake City when he was just 22-years-old. “With a penchant for God, couture and only the finest champagne, Mary Cosby is a Pentecostal First Lady,” according to her official biography on BravoTV.com. The pair also have a teenage son together in the name of children. Mary’s Instagram is a feast for the eyes in itself, full of layered on filters and blurring, lots of slow-motion videos that could have been a photo. Over time, there have been various scandals and lawsuits involving Mary’s husband. Mama Cosby was 20 years his senior making her 42-years-old. According to reports, Mary’s grandmother Dr. Rosemary Redmon Cosby was married to her 2nd husband, Robert C. Cosby for 22 years but passed away at the age of 65 in 1997. Mary together with her teenage son. Mary Cosby turned a lot of heads when it was revealed ... Robert founded the Faith Temple Pentecostal Church with Mary’s grandmother, ... Redmond died of heart failure in 1997 at the age … Mary Cosby Husband, Married, Children.