Complex sentence: This criticism of the couple led them to flee to Verona for a short spell, much to the annoyance of her father-in-law who cut off the postal service to the prince and princess in hope that they would return.
Split into simpler sentences: This criticism of the couple led them to flee to Verona for a short spell, much to the annoyance of her father-in-law. In retaliation, he cut off the postal service to the prince and princess in the hope that they would return.