Who is Judith Yagudah from Children of the Flames: Dr. Josef Mengele and the Untold Story of the Twins of Auschwitz and what is their importance?

Judith Yaguda, her twin sister, Ruthie, and her mother were sent to the twin's barracks. Her sister lost several toes to frostbite; Ruthie died as the camp was liberated. Judith and her mother were released and eventually relocated to Israel.