Actress Doris Roberts, best known for playing the overprotective Marie Barone on the hit TV show Everybody Loves Raymond, died Sunday. The family said in a statement that the veteran TV star ?died peacefully in her sleep of natural causes.? Patricia Heaton tweeted, ?My wonderful TV mother-in-law and ELR nemesis Doris Roberts was a consummate professional from whom I learned so much. Her other credits included ?70s and ?80s shows like Angie, Remington Steele, Soap, Fantasy Island, The Love Boat and The Streets of San Francisco.