Complex sentence: It was an important centre of Celtic Christianity under Saints Aidan of Lindisfarne, Cuthbert, Eadfrith of Lindisfarne and Eadberht of Lindisfarne After the Viking invasions and the Norman conquest of England, a priory was reestablished.
Split into simpler sentences: It was an important centre of Celtic Christianity under Saints Aidan of Lindisfarne, Cuthbert, Eadfrith of Lindisfarne and Eadberht of Lindisfarne. After Viking invasions and the Norman conquest of England, a priory was reestablished.