who plays barney's sister on how i met your mother
Barney Stinson Barney has three half-siblings: James (played by Wayne Brady), from his mother's side, a gay African American who is married to a man, with whom he has an adopted son and daughter (as revealed in the season seven episode "The Rebound Girl"); Carly (played by Ashley Benson), a university student from his father's side with whom Ted has a one-night stand in "Ring Up!", and Jerome Jr. (JJ), from his father's side, who is 11. He also has a female cousin named Leslie, with whom he accidentally grinds in a nightclub, as seen in the episode "Okay Awesome".