(Robert was the second husband of Mary's late grandmother. Mary and Robert share ... Since the debut of RHOSLC, fans have had ...

Mary Cosby doesn't have the best relationship ... and how he used to be married to her grandmother, Rosemary Cosby. According ...

"Mary has not filmed anything this season and they just started this week," the source says. Fans have speculated that Cosby, 49, would be exiting RHOSLC after she skipped the season 2 reunion ...