Who is Delia Fordham in the story, Face Time?

Delia Fordham is the narrator's younger sister. She is the youngest of all three Fordham girls. In the narrative present, Delia is the only sister not involved in Dan's situation. She has always been Dan's favorite. Because she has also always adored her father, Delia feels incapable of coping with his illness. She talked to him just before his surgery, when he was still stable and well. She refuses to talk to him in the present, because it is too painful for her to see him suffering.