Complex sentence: Arabella Sours, Theoline Belknapp, and Gro Svendsen--begin to show signs of insanity due to the hardships they have faced: one lost her children to diphtheria, one killed her own child, and one was raped and suffers a breakdown after her mother dies.
Split into simpler sentences: Arabella Sours, Theoline Belknapp, and Gro Svendsen--begin to show signs of insanity due to the hardships they faced. One lost her children to diphtheria, one killed her own child, and one was raped and suffers a breakdown after her mother dies.