Final answer:
Hnaf's sister mourns because of her brother's death, showing divided loyalty between her family and her husband.
Step-by-step explanation:
Hnaf's sister mourns because of her brother's death, which is an example of divided loyalty between her family and her husband. The passage states that she was judged guilty of a heinous crime for honoring her brother and was dragged away by Creon, feeling deserted by her friends. Her loyalty is divided between her family and her husband, as she faces societal judgment and isolation due to her grief for her brother.