Samantha "Sam" Blackwell was a refugee during the War of 2016..
Sam and her siblings survived the devastation that was brought to the American east coast by the alien mothership in the War of 2016. They were separated from her parents as they were visiting their grandfather in Florida when the aliens returned. Sam led her family inland to escape from the aliens. They eventually passed through a flooded Austin where they came upon an unconscious Julius Levinson. Initially Sam was hesitant to rescue Julius, but her brothers insisted in taking him in their exodus.