This video segment from the PBS series Finding Your Roots features Martha Stewart as she learns the fate of her great-grandparents. Stewart’s grandmother rarely discussed her life in Poland, so she knew little of what had happened to her great-grandparents. Professor Henry Louis Gates’s research determines they were killed during the Polish-Soviet War that broke out in 1919. Six of their eight children, including Stewart's grandmother, ultimately moved to the U.S. to seek better lives.