Complex sentence: During the Revolution many years later, Prince Kuragin and his wife, Princess Irina, were arrested by the Bolsheviks and separated; though Prince Kuragin was subsequently released, he learned that his wife had been exiled a year before.
Split into simpler sentences: During the Revolution many years later, Prince Kuragin and his wife, Princess Irina, were arrested by the Bolsheviks and separated. Though Prince Kuragin was subsequently released, he learned that his wife had been exiled a year before.