Complex sentence: Raymonde Chandebise, after years of wedded bliss, begins to doubt the fidelity of her husband, Victor Emmanuel, who suddenly has become sexually inactive, unaware that his behavior is due to a nervous condition.
Split into simpler sentences: Raymonde Chandebise, after years of wedded bliss, begins to doubt the fidelity of her husband, Victor Emmanuel, who suddenly has become sexually inactive. Raymonde is unaware that his behavior is due to a nervous condition.