Who is Virginia Du Pre from Collected Stories of William Faulkner and what is their importance?

Also known as Aunt Jenny, Virginia Du Pre lived in Carolina during the Civil War. When Yankees attacked her hometown, she saw her home burned and her parents killed. It was at this point she left Carolina to refugee to her brother's plantation in Mississippi. As an old woman she still lives there with her great niece by marriage and a few remaining Negro servants. Aunt Jenny is portrayed as being a person of character. Her personality is contrasted with her niece who is described as trash.