The Question and Answer section for Night is a great resource to ask questions, find answers, and discuss the novel.
I think you might be referring to Madame Schaechter. She is in the same train car as Eliezer during the initial deportation to Auschwitz. She had been separated from her husband and two older sons, and she is accompanied by another younger son....
Do you know the chapter this is in?
Are you referring to when people helped or hurt Wiesel?