Complex sentence: The abbot was summoned on many occasions to sit in Parliament, with fellow prelates in the House of Lords as one of the Lords Spiritual, and surviving reports indicate a peaceful and scandal-free domestic life.
Split into simpler sentences: The abbot was summoned on many occasions to sit in Parliament, and with fellow prelates in the House of Lords as one of the Lords Spiritual. Surviving reports indicate the abbey had a peaceful and scandal-free domestic life.