who played debra sister on everybody loves raymond
List of Everybody Loves Raymond characters Debra Louise Whelan-Barone (Patricia Heaton), is the wife of Ray. She was raised by wealthy parents, Lois (Katherine Helmond) and Warren Whelan (Robert Culp), and grew up in an upper-class background, unlike the other major characters in the sitcom. She has a sister, Jennifer Whelan (Ashley Crow), who is seen only once in the entire series. Following her graduation from high school, she traveled a lot and dated many famous sportspeople. Before marrying Ray, she worked in public relations for the New York Rangers hockey team.