Mary Cosby has revealed her own mother stopped speaking to her after she was asked to marry her step grandfather, Robert Cosby Sr.On the latest episode of The Real Housewives Of Salt Lake City, Mary shed light on how the bizarre marriage divided not just her and her mother, but their church.The union was devised of by her own grandmother, who wanted her to marry Robert in order to inherit the wealth and church she had also left her.However, the inheritance outraged Mary's mother, who wanted to take over her mother's position in the church and felt she should have been the one to marry Robert. 'It was all bizarre': Mary Cosby has revealed her own mother stopped speaking to her after she was asked to marry her step grandfather, Robert Cosby.
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