Complex sentence: The Confraternity of the Holy Rosary is a Roman Catholic Archconfraternity or spiritual association, under the care and guidance of the Dominican Order, the members of which strive to pray the entire Holy Rosary weekly.
Split into simpler sentences: The Confraternity of the Holy Rosary is a Roman Catholic Archconfraternity or spiritual association, under the care and guidance of the Dominican Order. The members of the confraternity strive to pray the entire Holy Rosary weekly.