Complex sentence: As the diocese of Kilfenora is in the ecclesiastical province of Cashel the Bishop of Galway is it's Apostolic Administrator rather than it's bishop the dioceses of Galway and Kilmacduagh are in the ecclesiastical province of Tuam.
Split into simpler sentences: As the diocese of Kilfenora is in the ecclesiastical province of Cashel the Bishop of Galway is it's Apostolic Administrator rather than it's bishop. The dioceses of Galway and Kilmacduagh are in the ecclesiastical province of Tuam.