Monica Geller Courteney and David, who did get married." Before marrying Cox, Arquette had guest starred in an episode of "Friends" as Phoebe's love interest. During season 10, Cox got pregnant with her and Arquette's child. At that same time, her character and on-screen husband were going through the process of adopting a child. Like Monica and Chandler, Cox and Arquette had also struggled with conceiving in real life. Although Kudrow's real-life pregnancy had successfully been written into the show, the same could not have been done for Cox because "Friends" had already long-established that Monica is incapable of having children. Therefore,
Brother and Sister Sister is categorized as its own type as number 450, "the brother and sister". Another of this type is The Lambkin and the Little Fish. At times, Brother and Sister has been confused with Hansel and Gretel, which has also been known under the alternate title of Little Brother and Little Sister. The Grimms selected Hansel and Gretel for the tale by that name and kept the Brother and Sister title for this tale. Some publications of the Hansel and Gretel tale still use the Little Brother and Little Sister title, causing confusion for readers. The story as told by