Twelve -year-old Mary Jemison took her peaceful days on her family's farm in eastern Pennsylvania for granted. But on a spring day in 1758, something happened that changed her life forever. A band of warriors invaded the house and took the Jemison family captive. Mary was separated from her parents and brothers and sister. She traveled with the Indians to southern Ohio and later to a Seneca village on the Genesee River in what is now western New York.