Answer:
Anne's school friend. While Anne is in the annex, she has visions/dreams of Lies suffering in a concentration camp. After Anne was sent to Belsen, she found Lies there, and the girls were happy that at least they could suffer together before they both died.
Step-by-step explanation:
Lies was told that Anne had died of typhus, and she believes this because she never saw her after the February night when she attempted to throw a package across the wire fence to her. Lies was sent out of Belsen in a shipment destined for Theresienstadt, but their train traveled right into the middle of a Russian offensive, and the Russians liberated the prisoners