Following Sager's birth, her mother died from the influenza epidemic of the time. Sager and her sisters, Esther and Naomi, were raised by their step mother Hannah. At 16 Sager had graduated from New Trier High school.
Following Sager's birth, her mother passed away from the influenza epidemic of the time. Sager and her sisters, Esther and Naomi, were raised by their stepmother Hannah. At 16 years old, Sager graduated from New Trier High School.