Monica Holt is married to Charlie Holt, and she takes care of their baby, Rosie Holt, who was born on January 14, 2006. According to Dean and Sam Winchester, Rosie Holt is supposed to be one of the yellow-eyed demon's special children.
Monica messed her line up, after the boys saved them from the nursery. She says, "No, Charlie, don't! They saved us." But her next line is - "I mean, they saved us." This indicates her first line was supposed to have been, "No, Charlie, don't! They saved me."