Daniel's sister -- Hazel.

[nofsky]

Here are the texts mentioning Hazel.

He fell to the kitchen floor. Tears were beginning to well in his eyes as he received the first kick in his stomach. Hazel remained hidden, in fear she too would be punished.

Hazel spent all summer in bed. He used to read to her after helping father with his work. In his mind he was like Scheherazade, and as long as he kept telling the story she would not die.

When Hazel turned fifteen she had lived three years longer than doctor Tate had foreseen. Her parents had given up from exhaustion and decided to have her committed for permanent treatment at Canterbury Hospice, but she was still alive. She had embraced him and wished him a grand adventure in Algeria.

The last two, it seems, are displayed when you have been captured. Is the first of the two her dying and the last her living? Apparently she had some kind of illness.