Complex sentence: His support for Alice Kyteler, who was his sister-in-law, gained him the enmity of Richard de Ledrede, Bishop of Ossory, and in 1328 Arnold was arrested on charges of heresy and died in Dublin Castle while awaiting trial.
Split into simpler sentences: His support for Alice Kyteler, who was his sister-in-law, gained him the enmity of Richard de Ledrede, Bishop of Ossory. In 1328 Arnold was arrested on charges of heresy and died in Dublin Castle while awaiting trial.