Daughter of Maurice Finkel, co-leader of an acting company, sister of Broadway director Abe Finkel and niece of Jewish Stage founders Boris and Bessie Thomaschefsky. In 1903, Bella's mother left her father for a younger man. Bella's father shot his wife and the man then turned the gun on himself, committing suicide. Emma, his wife was left paralyzed and confined to a wheelchair for the rest of her life.