Who is Ruth Blumenthal from Four Perfect Pebbles: A Holocaust Story and what is their importance?

Ruth Moses met Walter Blumenthal when she worked for his family's story after moving from East Prussia when she graduated from high school. She ended up in Hoya on a whim. When she and Walter were married, they settled into life as a storekeeper and his wife. Ruth worked as a seamstress. When their two children were born, Ruth was their primary caretaker and constantly looked out for them, for instance, making sure that they had a decent education. But what Ruth could not handle was the rise of Nazism. Walter did his best to help the family escape but Ruth and her children were inevitably pulled into the Bergen-Belsen concentration camp. During their imprisonment, Ruth took care of Marion, as the men and women in the camp were separated. She did her b